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Finding the Fourth Proportional to 113,585.56, 156,749.16 and 62,600.14

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Solution

The fourth proportional to 113,585.56, 156,749.16 and 62,600.14 is: 86,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,585.56 : 156,749.16 = 62,600.14 : x
  2. Step 2: Convert to fraction form
    113,585.56/156,749.16 = 62,600.14/x
  3. Step 3: Cross multiply
    113,585.56x = 156,749.16 × 62,600.14
  4. Step 4: Simplify right side
    113,585.56x = 9,812,519,360.88
  5. Step 5: Solve for x
    x = 9,812,519,360.88/113,585.56
  6. Step 6: Final answer
    x = 86,388.79

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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.