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Finding the Fourth Proportional to 165,055.60, 247,680.60 and 59,885.20

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Solution

The fourth proportional to 165,055.60, 247,680.60 and 59,885.20 is: 89,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,055.60 : 247,680.60 = 59,885.20 : x
  2. Step 2: Convert to fraction form
    165,055.60/247,680.60 = 59,885.20/x
  3. Step 3: Cross multiply
    165,055.60x = 247,680.60 × 59,885.20
  4. Step 4: Simplify right side
    165,055.60x = 14,832,402,267.12
  5. Step 5: Solve for x
    x = 14,832,402,267.12/165,055.60
  6. Step 6: Final answer
    x = 89,863.07

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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.