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Finding the Fourth Proportional to 124,267.65, 171,493.65 and 70,550.88

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Solution

The fourth proportional to 124,267.65, 171,493.65 and 70,550.88 is: 97,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.65 : 171,493.65 = 70,550.88 : x
  2. Step 2: Convert to fraction form
    124,267.65/171,493.65 = 70,550.88/x
  3. Step 3: Cross multiply
    124,267.65x = 171,493.65 × 70,550.88
  4. Step 4: Simplify right side
    124,267.65x = 12,099,027,921.91
  5. Step 5: Solve for x
    x = 12,099,027,921.91/124,267.65
  6. Step 6: Final answer
    x = 97,362.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.