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Finding the Fourth Proportional to 98,077.68, 135,326.68 and 62,225.52

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Solution

The fourth proportional to 98,077.68, 135,326.68 and 62,225.52 is: 85,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.68 : 135,326.68 = 62,225.52 : x
  2. Step 2: Convert to fraction form
    98,077.68/135,326.68 = 62,225.52/x
  3. Step 3: Cross multiply
    98,077.68x = 135,326.68 × 62,225.52
  4. Step 4: Simplify right side
    98,077.68x = 8,420,773,032.87
  5. Step 5: Solve for x
    x = 8,420,773,032.87/98,077.68
  6. Step 6: Final answer
    x = 85,858.20

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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.