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Finding the Fourth Proportional to 114,042.60, 157,400.15 and 66,302.82

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Solution

The fourth proportional to 114,042.60, 157,400.15 and 66,302.82 is: 91,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,042.60 : 157,400.15 = 66,302.82 : x
  2. Step 2: Convert to fraction form
    114,042.60/157,400.15 = 66,302.82/x
  3. Step 3: Cross multiply
    114,042.60x = 157,400.15 × 66,302.82
  4. Step 4: Simplify right side
    114,042.60x = 10,436,073,481.91
  5. Step 5: Solve for x
    x = 10,436,073,481.91/114,042.60
  6. Step 6: Final answer
    x = 91,510.31

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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.