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Finding the Fourth Proportional to 148,990.57, 223,480.88 and 64,750.74

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Solution

The fourth proportional to 148,990.57, 223,480.88 and 64,750.74 is: 97,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,990.57 : 223,480.88 = 64,750.74 : x
  2. Step 2: Convert to fraction form
    148,990.57/223,480.88 = 64,750.74/x
  3. Step 3: Cross multiply
    148,990.57x = 223,480.88 × 64,750.74
  4. Step 4: Simplify right side
    148,990.57x = 14,470,552,355.85
  5. Step 5: Solve for x
    x = 14,470,552,355.85/148,990.57
  6. Step 6: Final answer
    x = 97,123.95

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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.