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Finding the Fourth Proportional to 187,776.32, 281,706.72 and 63,113.92

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Solution

The fourth proportional to 187,776.32, 281,706.72 and 63,113.92 is: 94,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776.32 : 281,706.72 = 63,113.92 : x
  2. Step 2: Convert to fraction form
    187,776.32/281,706.72 = 63,113.92/x
  3. Step 3: Cross multiply
    187,776.32x = 281,706.72 × 63,113.92
  4. Step 4: Simplify right side
    187,776.32x = 17,779,615,389.54
  5. Step 5: Solve for x
    x = 17,779,615,389.54/187,776.32
  6. Step 6: Final answer
    x = 94,685.08

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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.