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Finding the Fourth Proportional to 153,609.19, 230,452.66 and 42,801.19

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Solution

The fourth proportional to 153,609.19, 230,452.66 and 42,801.19 is: 64,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,609.19 : 230,452.66 = 42,801.19 : x
  2. Step 2: Convert to fraction form
    153,609.19/230,452.66 = 42,801.19/x
  3. Step 3: Cross multiply
    153,609.19x = 230,452.66 × 42,801.19
  4. Step 4: Simplify right side
    153,609.19x = 9,863,647,564.04
  5. Step 5: Solve for x
    x = 9,863,647,564.04/153,609.19
  6. Step 6: Final answer
    x = 64,212.61

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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.