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Finding the Fourth Proportional to 125,618.64, 173,350.29 and 69,030.01

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Solution

The fourth proportional to 125,618.64, 173,350.29 and 69,030.01 is: 95,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,618.64 : 173,350.29 = 69,030.01 : x
  2. Step 2: Convert to fraction form
    125,618.64/173,350.29 = 69,030.01/x
  3. Step 3: Cross multiply
    125,618.64x = 173,350.29 × 69,030.01
  4. Step 4: Simplify right side
    125,618.64x = 11,966,372,252.20
  5. Step 5: Solve for x
    x = 11,966,372,252.20/125,618.64
  6. Step 6: Final answer
    x = 95,259.53

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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.