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Finding the Fourth Proportional to 187,659.68, 281,515.12 and 63,036.32

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Solution

The fourth proportional to 187,659.68, 281,515.12 and 63,036.32 is: 94,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,659.68 : 281,515.12 = 63,036.32 : x
  2. Step 2: Convert to fraction form
    187,659.68/281,515.12 = 63,036.32/x
  3. Step 3: Cross multiply
    187,659.68x = 281,515.12 × 63,036.32
  4. Step 4: Simplify right side
    187,659.68x = 17,745,677,189.16
  5. Step 5: Solve for x
    x = 17,745,677,189.16/187,659.68
  6. Step 6: Final answer
    x = 94,563.08

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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.