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Finding the Fourth Proportional to 125,807.47, 173,678.60 and 97,062.59

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Solution

The fourth proportional to 125,807.47, 173,678.60 and 97,062.59 is: 133,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807.47 : 173,678.60 = 97,062.59 : x
  2. Step 2: Convert to fraction form
    125,807.47/173,678.60 = 97,062.59/x
  3. Step 3: Cross multiply
    125,807.47x = 173,678.60 × 97,062.59
  4. Step 4: Simplify right side
    125,807.47x = 16,857,694,258.26
  5. Step 5: Solve for x
    x = 16,857,694,258.26/125,807.47
  6. Step 6: Final answer
    x = 133,995.98

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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.