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Finding the Fourth Proportional to 187,549.88, 281,294.44 and 69,276.92

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Solution

The fourth proportional to 187,549.88, 281,294.44 and 69,276.92 is: 103,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,549.88 : 281,294.44 = 69,276.92 : x
  2. Step 2: Convert to fraction form
    187,549.88/281,294.44 = 69,276.92/x
  3. Step 3: Cross multiply
    187,549.88x = 281,294.44 × 69,276.92
  4. Step 4: Simplify right side
    187,549.88x = 19,487,212,416.32
  5. Step 5: Solve for x
    x = 19,487,212,416.32/187,549.88
  6. Step 6: Final answer
    x = 103,904.16

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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.