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Finding the Fourth Proportional to 96,130.80, 144,311.40 and 54,044.40

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Solution

The fourth proportional to 96,130.80, 144,311.40 and 54,044.40 is: 81,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,130.80 : 144,311.40 = 54,044.40 : x
  2. Step 2: Convert to fraction form
    96,130.80/144,311.40 = 54,044.40/x
  3. Step 3: Cross multiply
    96,130.80x = 144,311.40 × 54,044.40
  4. Step 4: Simplify right side
    96,130.80x = 7,799,223,026.16
  5. Step 5: Solve for x
    x = 7,799,223,026.16/96,130.80
  6. Step 6: Final answer
    x = 81,131.37

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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.