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Finding the Fourth Proportional to 148,927.30, 223,390.95 and 50,431.30

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Solution

The fourth proportional to 148,927.30, 223,390.95 and 50,431.30 is: 75,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,927.30 : 223,390.95 = 50,431.30 : x
  2. Step 2: Convert to fraction form
    148,927.30/223,390.95 = 50,431.30/x
  3. Step 3: Cross multiply
    148,927.30x = 223,390.95 × 50,431.30
  4. Step 4: Simplify right side
    148,927.30x = 11,265,896,016.74
  5. Step 5: Solve for x
    x = 11,265,896,016.74/148,927.30
  6. Step 6: Final answer
    x = 75,646.95

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1.5x scale

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.