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Finding the Fourth Proportional to 169,729.29, 254,593.98 and 45,070.29

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Solution

The fourth proportional to 169,729.29, 254,593.98 and 45,070.29 is: 67,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,729.29 : 254,593.98 = 45,070.29 : x
  2. Step 2: Convert to fraction form
    169,729.29/254,593.98 = 45,070.29/x
  3. Step 3: Cross multiply
    169,729.29x = 254,593.98 × 45,070.29
  4. Step 4: Simplify right side
    169,729.29x = 11,474,624,510.85
  5. Step 5: Solve for x
    x = 11,474,624,510.85/169,729.29
  6. Step 6: Final answer
    x = 67,605.45

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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.