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Finding the Fourth Proportional to 363,317.54, 545,068.47 and 114,001.70

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Solution

The fourth proportional to 363,317.54, 545,068.47 and 114,001.70 is: 171,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,317.54 : 545,068.47 = 114,001.70 : x
  2. Step 2: Convert to fraction form
    363,317.54/545,068.47 = 114,001.70/x
  3. Step 3: Cross multiply
    363,317.54x = 545,068.47 × 114,001.70
  4. Step 4: Simplify right side
    363,317.54x = 62,138,732,196.40
  5. Step 5: Solve for x
    x = 62,138,732,196.40/363,317.54
  6. Step 6: Final answer
    x = 171,031.47

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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.