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Finding the Fourth Proportional to 167,154.42, 250,851.34 and 71,158.93

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Solution

The fourth proportional to 167,154.42, 250,851.34 and 71,158.93 is: 106,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,154.42 : 250,851.34 = 71,158.93 : x
  2. Step 2: Convert to fraction form
    167,154.42/250,851.34 = 71,158.93/x
  3. Step 3: Cross multiply
    167,154.42x = 250,851.34 × 71,158.93
  4. Step 4: Simplify right side
    167,154.42x = 17,850,312,943.47
  5. Step 5: Solve for x
    x = 17,850,312,943.47/167,154.42
  6. Step 6: Final answer
    x = 106,789.36

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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.