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Finding the Fourth Proportional to 187,656.60, 281,503.38 and 54,538.02

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Solution

The fourth proportional to 187,656.60, 281,503.38 and 54,538.02 is: 81,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,656.60 : 281,503.38 = 54,538.02 : x
  2. Step 2: Convert to fraction form
    187,656.60/281,503.38 = 54,538.02/x
  3. Step 3: Cross multiply
    187,656.60x = 281,503.38 × 54,538.02
  4. Step 4: Simplify right side
    187,656.60x = 15,352,636,968.51
  5. Step 5: Solve for x
    x = 15,352,636,968.51/187,656.60
  6. Step 6: Final answer
    x = 81,812.40

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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.