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Finding the Fourth Proportional to 147,145.30, 220,717.95 and 36,337.30

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Solution

The fourth proportional to 147,145.30, 220,717.95 and 36,337.30 is: 54,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,145.30 : 220,717.95 = 36,337.30 : x
  2. Step 2: Convert to fraction form
    147,145.30/220,717.95 = 36,337.30/x
  3. Step 3: Cross multiply
    147,145.30x = 220,717.95 × 36,337.30
  4. Step 4: Simplify right side
    147,145.30x = 8,020,294,364.54
  5. Step 5: Solve for x
    x = 8,020,294,364.54/147,145.30
  6. Step 6: Final answer
    x = 54,505.95

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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.