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Finding the Fourth Proportional to 113,812.16, 157,060.80 and 62,824.92

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Solution

The fourth proportional to 113,812.16, 157,060.80 and 62,824.92 is: 86,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,812.16 : 157,060.80 = 62,824.92 : x
  2. Step 2: Convert to fraction form
    113,812.16/157,060.80 = 62,824.92/x
  3. Step 3: Cross multiply
    113,812.16x = 157,060.80 × 62,824.92
  4. Step 4: Simplify right side
    113,812.16x = 9,867,332,195.14
  5. Step 5: Solve for x
    x = 9,867,332,195.14/113,812.16
  6. Step 6: Final answer
    x = 86,698.40

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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.