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Finding the Fourth Proportional to 88,380, 121,938.48 and 52,552.08

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Solution

The fourth proportional to 88,380, 121,938.48 and 52,552.08 is: 72,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380 : 121,938.48 = 52,552.08 : x
  2. Step 2: Convert to fraction form
    88,380/121,938.48 = 52,552.08/x
  3. Step 3: Cross multiply
    88,380x = 121,938.48 × 52,552.08
  4. Step 4: Simplify right side
    88,380x = 6,408,120,756.04
  5. Step 5: Solve for x
    x = 6,408,120,756.04/88,380
  6. Step 6: Final answer
    x = 72,506.46

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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.