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Finding the Fourth Proportional to 88,352.60, 121,923.81 and 48,065.32

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Solution

The fourth proportional to 88,352.60, 121,923.81 and 48,065.32 is: 66,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,352.60 : 121,923.81 = 48,065.32 : x
  2. Step 2: Convert to fraction form
    88,352.60/121,923.81 = 48,065.32/x
  3. Step 3: Cross multiply
    88,352.60x = 121,923.81 × 48,065.32
  4. Step 4: Simplify right side
    88,352.60x = 5,860,306,943.27
  5. Step 5: Solve for x
    x = 5,860,306,943.27/88,352.60
  6. Step 6: Final answer
    x = 66,328.63

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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.