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Finding the Fourth Proportional to 159,402,303.40, 239,103,455.10 and 159,402,303.40

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Solution

The fourth proportional to 159,402,303.40, 239,103,455.10 and 159,402,303.40 is: 239,103,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,402,303.40 : 239,103,455.10 = 159,402,303.40 : x
  2. Step 2: Convert to fraction form
    159,402,303.40/239,103,455.10 = 159,402,303.40/x
  3. Step 3: Cross multiply
    159,402,303.40x = 239,103,455.10 × 159,402,303.40
  4. Step 4: Simplify right side
    159,402,303.40x = 38,113,641,493,838,480
  5. Step 5: Solve for x
    x = 38,113,641,493,838,480/159,402,303.40
  6. Step 6: Final answer
    x = 239,103,455.10

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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.