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Finding the Fourth Proportional to 125,624.05, 173,359.21 and 69,034.21

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Solution

The fourth proportional to 125,624.05, 173,359.21 and 69,034.21 is: 95,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.05 : 173,359.21 = 69,034.21 : x
  2. Step 2: Convert to fraction form
    125,624.05/173,359.21 = 69,034.21/x
  3. Step 3: Cross multiply
    125,624.05x = 173,359.21 × 69,034.21
  4. Step 4: Simplify right side
    125,624.05x = 11,967,716,108.57
  5. Step 5: Solve for x
    x = 11,967,716,108.57/125,624.05
  6. Step 6: Final answer
    x = 95,266.12

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1.5x scale

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.