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Finding the Fourth Proportional to 148,959.60, 223,374.60 and 49,081.20

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Solution

The fourth proportional to 148,959.60, 223,374.60 and 49,081.20 is: 73,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959.60 : 223,374.60 = 49,081.20 : x
  2. Step 2: Convert to fraction form
    148,959.60/223,374.60 = 49,081.20/x
  3. Step 3: Cross multiply
    148,959.60x = 223,374.60 × 49,081.20
  4. Step 4: Simplify right side
    148,959.60x = 10,963,493,417.52
  5. Step 5: Solve for x
    x = 10,963,493,417.52/148,959.60
  6. Step 6: Final answer
    x = 73,600.45

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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.