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Finding the Fourth Proportional to 247,200.90, 370,218.15 and 167,885.70

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Solution

The fourth proportional to 247,200.90, 370,218.15 and 167,885.70 is: 251,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,200.90 : 370,218.15 = 167,885.70 : x
  2. Step 2: Convert to fraction form
    247,200.90/370,218.15 = 167,885.70/x
  3. Step 3: Cross multiply
    247,200.90x = 370,218.15 × 167,885.70
  4. Step 4: Simplify right side
    247,200.90x = 62,154,333,265.46
  5. Step 5: Solve for x
    x = 62,154,333,265.46/247,200.90
  6. Step 6: Final answer
    x = 251,432.47

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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.