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Finding the Fourth Proportional to 101,549.40, 152,324.10 and 72,000.60

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Solution

The fourth proportional to 101,549.40, 152,324.10 and 72,000.60 is: 108,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.40 : 152,324.10 = 72,000.60 : x
  2. Step 2: Convert to fraction form
    101,549.40/152,324.10 = 72,000.60/x
  3. Step 3: Cross multiply
    101,549.40x = 152,324.10 × 72,000.60
  4. Step 4: Simplify right side
    101,549.40x = 10,967,426,594.46
  5. Step 5: Solve for x
    x = 10,967,426,594.46/101,549.40
  6. Step 6: Final answer
    x = 108,000.90

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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.