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Finding the Fourth Proportional to 114,378.60, 157,838.76 and 62,695.56

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Solution

The fourth proportional to 114,378.60, 157,838.76 and 62,695.56 is: 86,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,378.60 : 157,838.76 = 62,695.56 : x
  2. Step 2: Convert to fraction form
    114,378.60/157,838.76 = 62,695.56/x
  3. Step 3: Cross multiply
    114,378.60x = 157,838.76 × 62,695.56
  4. Step 4: Simplify right side
    114,378.60x = 9,895,789,447.91
  5. Step 5: Solve for x
    x = 9,895,789,447.91/114,378.60
  6. Step 6: Final answer
    x = 86,517.84

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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.