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Finding the Fourth Proportional to 125,624.64, 173,358.57 and 69,036.01

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Solution

The fourth proportional to 125,624.64, 173,358.57 and 69,036.01 is: 95,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.64 : 173,358.57 = 69,036.01 : x
  2. Step 2: Convert to fraction form
    125,624.64/173,358.57 = 69,036.01/x
  3. Step 3: Cross multiply
    125,624.64x = 173,358.57 × 69,036.01
  4. Step 4: Simplify right side
    125,624.64x = 11,967,983,972.11
  5. Step 5: Solve for x
    x = 11,967,983,972.11/125,624.64
  6. Step 6: Final answer
    x = 95,267.81

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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.