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Finding the Fourth Proportional to 98,443.38, 135,848.26 and 60,188.65

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Solution

The fourth proportional to 98,443.38, 135,848.26 and 60,188.65 is: 83,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,443.38 : 135,848.26 = 60,188.65 : x
  2. Step 2: Convert to fraction form
    98,443.38/135,848.26 = 60,188.65/x
  3. Step 3: Cross multiply
    98,443.38x = 135,848.26 × 60,188.65
  4. Step 4: Simplify right side
    98,443.38x = 8,176,523,374.25
  5. Step 5: Solve for x
    x = 8,176,523,374.25/98,443.38
  6. Step 6: Final answer
    x = 83,058.13

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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.