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Finding the Fourth Proportional to 162,065.88, 223,588.49 and 101,531.07

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Solution

The fourth proportional to 162,065.88, 223,588.49 and 101,531.07 is: 140,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,065.88 : 223,588.49 = 101,531.07 : x
  2. Step 2: Convert to fraction form
    162,065.88/223,588.49 = 101,531.07/x
  3. Step 3: Cross multiply
    162,065.88x = 223,588.49 × 101,531.07
  4. Step 4: Simplify right side
    162,065.88x = 22,701,178,121.73
  5. Step 5: Solve for x
    x = 22,701,178,121.73/162,065.88
  6. Step 6: Final answer
    x = 140,073.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.