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Finding the Fourth Proportional to 112,374.56, 155,076.42 and 62,073.56

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Solution

The fourth proportional to 112,374.56, 155,076.42 and 62,073.56 is: 85,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,374.56 : 155,076.42 = 62,073.56 : x
  2. Step 2: Convert to fraction form
    112,374.56/155,076.42 = 62,073.56/x
  3. Step 3: Cross multiply
    112,374.56x = 155,076.42 × 62,073.56
  4. Step 4: Simplify right side
    112,374.56x = 9,626,145,461.46
  5. Step 5: Solve for x
    x = 9,626,145,461.46/112,374.56
  6. Step 6: Final answer
    x = 85,661.25

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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.