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Finding the Fourth Proportional to 112,627, 155,425.26 and 62,333.56

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Solution

The fourth proportional to 112,627, 155,425.26 and 62,333.56 is: 86,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627 : 155,425.26 = 62,333.56 : x
  2. Step 2: Convert to fraction form
    112,627/155,425.26 = 62,333.56/x
  3. Step 3: Cross multiply
    112,627x = 155,425.26 × 62,333.56
  4. Step 4: Simplify right side
    112,627x = 9,688,209,769.73
  5. Step 5: Solve for x
    x = 9,688,209,769.73/112,627
  6. Step 6: Final answer
    x = 86,020.31

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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.