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Finding the Fourth Proportional to 354,269.69, 531,404.92 and 88,030.21

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Solution

The fourth proportional to 354,269.69, 531,404.92 and 88,030.21 is: 132,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,269.69 : 531,404.92 = 88,030.21 : x
  2. Step 2: Convert to fraction form
    354,269.69/531,404.92 = 88,030.21/x
  3. Step 3: Cross multiply
    354,269.69x = 531,404.92 × 88,030.21
  4. Step 4: Simplify right side
    354,269.69x = 46,779,683,605.46
  5. Step 5: Solve for x
    x = 46,779,683,605.46/354,269.69
  6. Step 6: Final answer
    x = 132,045.40

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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.