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Finding the Fourth Proportional to 354,269.72, 531,404.96 and 88,030.24

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Solution

The fourth proportional to 354,269.72, 531,404.96 and 88,030.24 is: 132,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,269.72 : 531,404.96 = 88,030.24 : x
  2. Step 2: Convert to fraction form
    354,269.72/531,404.96 = 88,030.24/x
  3. Step 3: Cross multiply
    354,269.72x = 531,404.96 × 88,030.24
  4. Step 4: Simplify right side
    354,269.72x = 46,779,705,057.55
  5. Step 5: Solve for x
    x = 46,779,705,057.55/354,269.72
  6. Step 6: Final answer
    x = 132,045.45

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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.