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Finding the Fourth Proportional to 112,558.50, 155,335.59 and 62,257.50

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Solution

The fourth proportional to 112,558.50, 155,335.59 and 62,257.50 is: 85,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,558.50 : 155,335.59 = 62,257.50 : x
  2. Step 2: Convert to fraction form
    112,558.50/155,335.59 = 62,257.50/x
  3. Step 3: Cross multiply
    112,558.50x = 155,335.59 × 62,257.50
  4. Step 4: Simplify right side
    112,558.50x = 9,670,805,494.43
  5. Step 5: Solve for x
    x = 9,670,805,494.43/112,558.50
  6. Step 6: Final answer
    x = 85,918.04

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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.