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Finding the Fourth Proportional to 88,298, 121,851.24 and 48,554

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Solution

The fourth proportional to 88,298, 121,851.24 and 48,554 is: 67,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,298 : 121,851.24 = 48,554 : x
  2. Step 2: Convert to fraction form
    88,298/121,851.24 = 48,554/x
  3. Step 3: Cross multiply
    88,298x = 121,851.24 × 48,554
  4. Step 4: Simplify right side
    88,298x = 5,916,365,106.96
  5. Step 5: Solve for x
    x = 5,916,365,106.96/88,298
  6. Step 6: Final answer
    x = 67,004.52

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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.