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Finding the Fourth Proportional to 225,572.50, 338,358.75 and 67,801.11

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Solution

The fourth proportional to 225,572.50, 338,358.75 and 67,801.11 is: 101,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,572.50 : 338,358.75 = 67,801.11 : x
  2. Step 2: Convert to fraction form
    225,572.50/338,358.75 = 67,801.11/x
  3. Step 3: Cross multiply
    225,572.50x = 338,358.75 × 67,801.11
  4. Step 4: Simplify right side
    225,572.50x = 22,941,098,828.21
  5. Step 5: Solve for x
    x = 22,941,098,828.21/225,572.50
  6. Step 6: Final answer
    x = 101,701.67

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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.