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Finding the Fourth Proportional to 187,358.67, 281,035.40 and 45,202.76

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Solution

The fourth proportional to 187,358.67, 281,035.40 and 45,202.76 is: 67,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,358.67 : 281,035.40 = 45,202.76 : x
  2. Step 2: Convert to fraction form
    187,358.67/281,035.40 = 45,202.76/x
  3. Step 3: Cross multiply
    187,358.67x = 281,035.40 × 45,202.76
  4. Step 4: Simplify right side
    187,358.67x = 12,703,575,287.53
  5. Step 5: Solve for x
    x = 12,703,575,287.53/187,358.67
  6. Step 6: Final answer
    x = 67,803.51

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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.