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Finding the Fourth Proportional to 95,869.20, 143,695.80 and 45,973.20

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Solution

The fourth proportional to 95,869.20, 143,695.80 and 45,973.20 is: 68,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,869.20 : 143,695.80 = 45,973.20 : x
  2. Step 2: Convert to fraction form
    95,869.20/143,695.80 = 45,973.20/x
  3. Step 3: Cross multiply
    95,869.20x = 143,695.80 × 45,973.20
  4. Step 4: Simplify right side
    95,869.20x = 6,606,155,752.56
  5. Step 5: Solve for x
    x = 6,606,155,752.56/95,869.20
  6. Step 6: Final answer
    x = 68,908.01

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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.