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Finding the Fourth Proportional to 108,753.93, 150,079.50 and 61,006.23

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Solution

The fourth proportional to 108,753.93, 150,079.50 and 61,006.23 is: 84,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753.93 : 150,079.50 = 61,006.23 : x
  2. Step 2: Convert to fraction form
    108,753.93/150,079.50 = 61,006.23/x
  3. Step 3: Cross multiply
    108,753.93x = 150,079.50 × 61,006.23
  4. Step 4: Simplify right side
    108,753.93x = 9,155,784,495.29
  5. Step 5: Solve for x
    x = 9,155,784,495.29/108,753.93
  6. Step 6: Final answer
    x = 84,188.08

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1.5x scale

Why These Related Problems?

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