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Finding the Fourth Proportional to 358,553.50, 537,854.87 and 118,666.96

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Solution

The fourth proportional to 358,553.50, 537,854.87 and 118,666.96 is: 178,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,553.50 : 537,854.87 = 118,666.96 : x
  2. Step 2: Convert to fraction form
    358,553.50/537,854.87 = 118,666.96/x
  3. Step 3: Cross multiply
    358,553.50x = 537,854.87 × 118,666.96
  4. Step 4: Simplify right side
    358,553.50x = 63,825,602,344.10
  5. Step 5: Solve for x
    x = 63,825,602,344.10/358,553.50
  6. Step 6: Final answer
    x = 178,008.59

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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.