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Finding the Fourth Proportional to 88,065.64, 121,527.84 and 49,822.30

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Solution

The fourth proportional to 88,065.64, 121,527.84 and 49,822.30 is: 68,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.64 : 121,527.84 = 49,822.30 : x
  2. Step 2: Convert to fraction form
    88,065.64/121,527.84 = 49,822.30/x
  3. Step 3: Cross multiply
    88,065.64x = 121,527.84 × 49,822.30
  4. Step 4: Simplify right side
    88,065.64x = 6,054,796,502.83
  5. Step 5: Solve for x
    x = 6,054,796,502.83/88,065.64
  6. Step 6: Final answer
    x = 68,753.22

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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.