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Finding the Fourth Proportional to 124,318.88, 171,572.44 and 75,918.14

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Solution

The fourth proportional to 124,318.88, 171,572.44 and 75,918.14 is: 104,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.88 : 171,572.44 = 75,918.14 : x
  2. Step 2: Convert to fraction form
    124,318.88/171,572.44 = 75,918.14/x
  3. Step 3: Cross multiply
    124,318.88x = 171,572.44 × 75,918.14
  4. Step 4: Simplify right side
    124,318.88x = 13,025,460,520.06
  5. Step 5: Solve for x
    x = 13,025,460,520.06/124,318.88
  6. Step 6: Final answer
    x = 104,774.60

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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.