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Finding the Fourth Proportional to 109,630.68, 151,290.72 and 59,329.68

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Solution

The fourth proportional to 109,630.68, 151,290.72 and 59,329.68 is: 81,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.68 : 151,290.72 = 59,329.68 : x
  2. Step 2: Convert to fraction form
    109,630.68/151,290.72 = 59,329.68/x
  3. Step 3: Cross multiply
    109,630.68x = 151,290.72 × 59,329.68
  4. Step 4: Simplify right side
    109,630.68x = 8,976,030,004.57
  5. Step 5: Solve for x
    x = 8,976,030,004.57/109,630.68
  6. Step 6: Final answer
    x = 81,875.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.