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Finding the Fourth Proportional to 94,641,148.80, 142,024,708.80 and 53,700,508.80

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Solution

The fourth proportional to 94,641,148.80, 142,024,708.80 and 53,700,508.80 is: 80,586,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,641,148.80 : 142,024,708.80 = 53,700,508.80 : x
  2. Step 2: Convert to fraction form
    94,641,148.80/142,024,708.80 = 53,700,508.80/x
  3. Step 3: Cross multiply
    94,641,148.80x = 142,024,708.80 × 53,700,508.80
  4. Step 4: Simplify right side
    94,641,148.80x = 7,626,799,124,731,838
  5. Step 5: Solve for x
    x = 7,626,799,124,731,838/94,641,148.80
  6. Step 6: Final answer
    x = 80,586,501.98

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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.