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Finding the Fourth Proportional to 148,894.80, 223,265.40 and 55,352.40

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Solution

The fourth proportional to 148,894.80, 223,265.40 and 55,352.40 is: 83,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,894.80 : 223,265.40 = 55,352.40 : x
  2. Step 2: Convert to fraction form
    148,894.80/223,265.40 = 55,352.40/x
  3. Step 3: Cross multiply
    148,894.80x = 223,265.40 × 55,352.40
  4. Step 4: Simplify right side
    148,894.80x = 12,358,275,726.96
  5. Step 5: Solve for x
    x = 12,358,275,726.96/148,894.80
  6. Step 6: Final answer
    x = 83,000.05

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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.