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Finding the Fourth Proportional to 169,438.80, 254,158.20 and 93,331.20

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Solution

The fourth proportional to 169,438.80, 254,158.20 and 93,331.20 is: 139,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,438.80 : 254,158.20 = 93,331.20 : x
  2. Step 2: Convert to fraction form
    169,438.80/254,158.20 = 93,331.20/x
  3. Step 3: Cross multiply
    169,438.80x = 254,158.20 × 93,331.20
  4. Step 4: Simplify right side
    169,438.80x = 23,720,889,795.84
  5. Step 5: Solve for x
    x = 23,720,889,795.84/169,438.80
  6. Step 6: Final answer
    x = 139,996.80

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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.