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Finding the Fourth Proportional to 363,957,422.30, 545,936,133.45 and 159,884,078.30

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Solution

The fourth proportional to 363,957,422.30, 545,936,133.45 and 159,884,078.30 is: 239,826,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,957,422.30 : 545,936,133.45 = 159,884,078.30 : x
  2. Step 2: Convert to fraction form
    363,957,422.30/545,936,133.45 = 159,884,078.30/x
  3. Step 3: Cross multiply
    363,957,422.30x = 545,936,133.45 × 159,884,078.30
  4. Step 4: Simplify right side
    363,957,422.30x = 87,286,495,507,319,056
  5. Step 5: Solve for x
    x = 87,286,495,507,319,056/363,957,422.30
  6. Step 6: Final answer
    x = 239,826,117.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.