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Finding the Fourth Proportional to 181,543.80, 271,926.90 and 146,551.80

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Solution

The fourth proportional to 181,543.80, 271,926.90 and 146,551.80 is: 219,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,543.80 : 271,926.90 = 146,551.80 : x
  2. Step 2: Convert to fraction form
    181,543.80/271,926.90 = 146,551.80/x
  3. Step 3: Cross multiply
    181,543.80x = 271,926.90 × 146,551.80
  4. Step 4: Simplify right side
    181,543.80x = 39,851,376,663.42
  5. Step 5: Solve for x
    x = 39,851,376,663.42/181,543.80
  6. Step 6: Final answer
    x = 219,513.84

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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.