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Finding the Fourth Proportional to 72,007.97, 108,152.08 and 58,690.80

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Solution

The fourth proportional to 72,007.97, 108,152.08 and 58,690.80 is: 88,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,007.97 : 108,152.08 = 58,690.80 : x
  2. Step 2: Convert to fraction form
    72,007.97/108,152.08 = 58,690.80/x
  3. Step 3: Cross multiply
    72,007.97x = 108,152.08 × 58,690.80
  4. Step 4: Simplify right side
    72,007.97x = 6,347,531,950.14
  5. Step 5: Solve for x
    x = 6,347,531,950.14/72,007.97
  6. Step 6: Final answer
    x = 88,150.41

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1.5x scale

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.