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Finding the Fourth Proportional to 71,567.70, 107,351.55 and 45,302.10

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Solution

The fourth proportional to 71,567.70, 107,351.55 and 45,302.10 is: 67,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.70 : 107,351.55 = 45,302.10 : x
  2. Step 2: Convert to fraction form
    71,567.70/107,351.55 = 45,302.10/x
  3. Step 3: Cross multiply
    71,567.70x = 107,351.55 × 45,302.10
  4. Step 4: Simplify right side
    71,567.70x = 4,863,250,653.26
  5. Step 5: Solve for x
    x = 4,863,250,653.26/71,567.70
  6. Step 6: Final answer
    x = 67,953.15

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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.