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Finding the Fourth Proportional to 96,018.84, 144,129.72 and 53,934.90

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Solution

The fourth proportional to 96,018.84, 144,129.72 and 53,934.90 is: 80,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,018.84 : 144,129.72 = 53,934.90 : x
  2. Step 2: Convert to fraction form
    96,018.84/144,129.72 = 53,934.90/x
  3. Step 3: Cross multiply
    96,018.84x = 144,129.72 × 53,934.90
  4. Step 4: Simplify right side
    96,018.84x = 7,773,622,035.23
  5. Step 5: Solve for x
    x = 7,773,622,035.23/96,018.84
  6. Step 6: Final answer
    x = 80,959.34

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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.