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Finding the Fourth Proportional to 134,445.47, 201,668.27 and 55,472.90

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Solution

The fourth proportional to 134,445.47, 201,668.27 and 55,472.90 is: 83,209.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,445.47 : 201,668.27 = 55,472.90 : x
  2. Step 2: Convert to fraction form
    134,445.47/201,668.27 = 55,472.90/x
  3. Step 3: Cross multiply
    134,445.47x = 201,668.27 × 55,472.90
  4. Step 4: Simplify right side
    134,445.47x = 11,187,122,489.18
  5. Step 5: Solve for x
    x = 11,187,122,489.18/134,445.47
  6. Step 6: Final answer
    x = 83,209.37

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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.