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Finding the Fourth Proportional to 187,654.89, 281,511.09 and 63,025.05

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Solution

The fourth proportional to 187,654.89, 281,511.09 and 63,025.05 is: 94,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,654.89 : 281,511.09 = 63,025.05 : x
  2. Step 2: Convert to fraction form
    187,654.89/281,511.09 = 63,025.05/x
  3. Step 3: Cross multiply
    187,654.89x = 281,511.09 × 63,025.05
  4. Step 4: Simplify right side
    187,654.89x = 17,742,250,522.80
  5. Step 5: Solve for x
    x = 17,742,250,522.80/187,654.89
  6. Step 6: Final answer
    x = 94,547.23

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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.