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Finding the Fourth Proportional to 88,673.78, 122,369.40 and 48,387.42

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Solution

The fourth proportional to 88,673.78, 122,369.40 and 48,387.42 is: 66,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.78 : 122,369.40 = 48,387.42 : x
  2. Step 2: Convert to fraction form
    88,673.78/122,369.40 = 48,387.42/x
  3. Step 3: Cross multiply
    88,673.78x = 122,369.40 × 48,387.42
  4. Step 4: Simplify right side
    88,673.78x = 5,921,139,552.95
  5. Step 5: Solve for x
    x = 5,921,139,552.95/88,673.78
  6. Step 6: Final answer
    x = 66,774.41

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1.5x scale

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.