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Finding the Fourth Proportional to 88,632.25, 122,312.88 and 48,346.87

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Solution

The fourth proportional to 88,632.25, 122,312.88 and 48,346.87 is: 66,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,632.25 : 122,312.88 = 48,346.87 : x
  2. Step 2: Convert to fraction form
    88,632.25/122,312.88 = 48,346.87/x
  3. Step 3: Cross multiply
    88,632.25x = 122,312.88 × 48,346.87
  4. Step 4: Simplify right side
    88,632.25x = 5,913,444,908.69
  5. Step 5: Solve for x
    x = 5,913,444,908.69/88,632.25
  6. Step 6: Final answer
    x = 66,718.89

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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.