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Finding the Fourth Proportional to 181,675.78, 250,452.74 and 127,793.57

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Solution

The fourth proportional to 181,675.78, 250,452.74 and 127,793.57 is: 176,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,675.78 : 250,452.74 = 127,793.57 : x
  2. Step 2: Convert to fraction form
    181,675.78/250,452.74 = 127,793.57/x
  3. Step 3: Cross multiply
    181,675.78x = 250,452.74 × 127,793.57
  4. Step 4: Simplify right side
    181,675.78x = 32,006,248,828.10
  5. Step 5: Solve for x
    x = 32,006,248,828.10/181,675.78
  6. Step 6: Final answer
    x = 176,172.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.