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Finding the Fourth Proportional to 181,192.74, 271,657.80 and 91,290.84

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Solution

The fourth proportional to 181,192.74, 271,657.80 and 91,290.84 is: 136,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,192.74 : 271,657.80 = 91,290.84 : x
  2. Step 2: Convert to fraction form
    181,192.74/271,657.80 = 91,290.84/x
  3. Step 3: Cross multiply
    181,192.74x = 271,657.80 × 91,290.84
  4. Step 4: Simplify right side
    181,192.74x = 24,799,868,754.55
  5. Step 5: Solve for x
    x = 24,799,868,754.55/181,192.74
  6. Step 6: Final answer
    x = 136,870.10

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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.