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Finding the Fourth Proportional to 95,838.94, 143,699.85 and 45,934.30

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Solution

The fourth proportional to 95,838.94, 143,699.85 and 45,934.30 is: 68,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,838.94 : 143,699.85 = 45,934.30 : x
  2. Step 2: Convert to fraction form
    95,838.94/143,699.85 = 45,934.30/x
  3. Step 3: Cross multiply
    95,838.94x = 143,699.85 × 45,934.30
  4. Step 4: Simplify right side
    95,838.94x = 6,600,752,019.86
  5. Step 5: Solve for x
    x = 6,600,752,019.86/95,838.94
  6. Step 6: Final answer
    x = 68,873.38

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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.