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Finding the Fourth Proportional to 148,695.86, 223,044.10 and 104,520.28

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Solution

The fourth proportional to 148,695.86, 223,044.10 and 104,520.28 is: 156,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,695.86 : 223,044.10 = 104,520.28 : x
  2. Step 2: Convert to fraction form
    148,695.86/223,044.10 = 104,520.28/x
  3. Step 3: Cross multiply
    148,695.86x = 223,044.10 × 104,520.28
  4. Step 4: Simplify right side
    148,695.86x = 23,312,631,784.35
  5. Step 5: Solve for x
    x = 23,312,631,784.35/148,695.86
  6. Step 6: Final answer
    x = 156,780.64

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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.