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Finding the Fourth Proportional to 125,841.64, 173,661.35 and 69,253.02

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Solution

The fourth proportional to 125,841.64, 173,661.35 and 69,253.02 is: 95,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,841.64 : 173,661.35 = 69,253.02 : x
  2. Step 2: Convert to fraction form
    125,841.64/173,661.35 = 69,253.02/x
  3. Step 3: Cross multiply
    125,841.64x = 173,661.35 × 69,253.02
  4. Step 4: Simplify right side
    125,841.64x = 12,026,571,730.21
  5. Step 5: Solve for x
    x = 12,026,571,730.21/125,841.64
  6. Step 6: Final answer
    x = 95,569.10

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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.