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Finding the Fourth Proportional to 88,683.81, 122,386.25 and 48,400.16

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Solution

The fourth proportional to 88,683.81, 122,386.25 and 48,400.16 is: 66,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.81 : 122,386.25 = 48,400.16 : x
  2. Step 2: Convert to fraction form
    88,683.81/122,386.25 = 48,400.16/x
  3. Step 3: Cross multiply
    88,683.81x = 122,386.25 × 48,400.16
  4. Step 4: Simplify right side
    88,683.81x = 5,923,513,775.83
  5. Step 5: Solve for x
    x = 5,923,513,775.83/88,683.81
  6. Step 6: Final answer
    x = 66,793.63

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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.