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Finding the Fourth Proportional to 169,868.70, 254,803.05 and 151,497.90

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Solution

The fourth proportional to 169,868.70, 254,803.05 and 151,497.90 is: 227,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,868.70 : 254,803.05 = 151,497.90 : x
  2. Step 2: Convert to fraction form
    169,868.70/254,803.05 = 151,497.90/x
  3. Step 3: Cross multiply
    169,868.70x = 254,803.05 × 151,497.90
  4. Step 4: Simplify right side
    169,868.70x = 38,602,126,988.60
  5. Step 5: Solve for x
    x = 38,602,126,988.60/169,868.70
  6. Step 6: Final answer
    x = 227,246.85

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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.