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Finding the Fourth Proportional to 99,314.52, 137,098.22 and 59,041.32

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Solution

The fourth proportional to 99,314.52, 137,098.22 and 59,041.32 is: 81,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.52 : 137,098.22 = 59,041.32 : x
  2. Step 2: Convert to fraction form
    99,314.52/137,098.22 = 59,041.32/x
  3. Step 3: Cross multiply
    99,314.52x = 137,098.22 × 59,041.32
  4. Step 4: Simplify right side
    99,314.52x = 8,094,459,583.24
  5. Step 5: Solve for x
    x = 8,094,459,583.24/99,314.52
  6. Step 6: Final answer
    x = 81,503.28

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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.