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Finding the Fourth Proportional to 88,610, 122,280.12 and 48,324.08

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Solution

The fourth proportional to 88,610, 122,280.12 and 48,324.08 is: 66,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,610 : 122,280.12 = 48,324.08 : x
  2. Step 2: Convert to fraction form
    88,610/122,280.12 = 48,324.08/x
  3. Step 3: Cross multiply
    88,610x = 122,280.12 × 48,324.08
  4. Step 4: Simplify right side
    88,610x = 5,909,074,301.29
  5. Step 5: Solve for x
    x = 5,909,074,301.29/88,610
  6. Step 6: Final answer
    x = 66,686.31

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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.