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Finding the Fourth Proportional to 167,833.80, 251,750.70 and 101,478.60

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Solution

The fourth proportional to 167,833.80, 251,750.70 and 101,478.60 is: 152,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,833.80 : 251,750.70 = 101,478.60 : x
  2. Step 2: Convert to fraction form
    167,833.80/251,750.70 = 101,478.60/x
  3. Step 3: Cross multiply
    167,833.80x = 251,750.70 × 101,478.60
  4. Step 4: Simplify right side
    167,833.80x = 25,547,308,585.02
  5. Step 5: Solve for x
    x = 25,547,308,585.02/167,833.80
  6. Step 6: Final answer
    x = 152,217.90

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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.