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Finding the Fourth Proportional to 187,086.16, 280,631.67 and 62,427.16

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Solution

The fourth proportional to 187,086.16, 280,631.67 and 62,427.16 is: 93,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086.16 : 280,631.67 = 62,427.16 : x
  2. Step 2: Convert to fraction form
    187,086.16/280,631.67 = 62,427.16/x
  3. Step 3: Cross multiply
    187,086.16x = 280,631.67 × 62,427.16
  4. Step 4: Simplify right side
    187,086.16x = 17,519,038,164.16
  5. Step 5: Solve for x
    x = 17,519,038,164.16/187,086.16
  6. Step 6: Final answer
    x = 93,641.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.