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Finding the Fourth Proportional to 165,055.60, 247,583.40 and 153,901.90

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Solution

The fourth proportional to 165,055.60, 247,583.40 and 153,901.90 is: 230,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,055.60 : 247,583.40 = 153,901.90 : x
  2. Step 2: Convert to fraction form
    165,055.60/247,583.40 = 153,901.90/x
  3. Step 3: Cross multiply
    165,055.60x = 247,583.40 × 153,901.90
  4. Step 4: Simplify right side
    165,055.60x = 38,103,555,668.46
  5. Step 5: Solve for x
    x = 38,103,555,668.46/165,055.60
  6. Step 6: Final answer
    x = 230,852.85

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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.