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Finding the Fourth Proportional to 363,407.11, 545,196.93 and 114,089.11

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Solution

The fourth proportional to 363,407.11, 545,196.93 and 114,089.11 is: 171,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,407.11 : 545,196.93 = 114,089.11 : x
  2. Step 2: Convert to fraction form
    363,407.11/545,196.93 = 114,089.11/x
  3. Step 3: Cross multiply
    363,407.11x = 545,196.93 × 114,089.11
  4. Step 4: Simplify right side
    363,407.11x = 62,201,030,727.61
  5. Step 5: Solve for x
    x = 62,201,030,727.61/363,407.11
  6. Step 6: Final answer
    x = 171,160.74

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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.