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Finding the Fourth Proportional to 169,266.70, 253,900.05 and 42,906.70

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Solution

The fourth proportional to 169,266.70, 253,900.05 and 42,906.70 is: 64,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,266.70 : 253,900.05 = 42,906.70 : x
  2. Step 2: Convert to fraction form
    169,266.70/253,900.05 = 42,906.70/x
  3. Step 3: Cross multiply
    169,266.70x = 253,900.05 × 42,906.70
  4. Step 4: Simplify right side
    169,266.70x = 10,894,013,275.34
  5. Step 5: Solve for x
    x = 10,894,013,275.34/169,266.70
  6. Step 6: Final answer
    x = 64,360.05

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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.