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Finding the Fourth Proportional to 88,673.55, 122,369.80 and 48,388.20

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Solution

The fourth proportional to 88,673.55, 122,369.80 and 48,388.20 is: 66,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.55 : 122,369.80 = 48,388.20 : x
  2. Step 2: Convert to fraction form
    88,673.55/122,369.80 = 48,388.20/x
  3. Step 3: Cross multiply
    88,673.55x = 122,369.80 × 48,388.20
  4. Step 4: Simplify right side
    88,673.55x = 5,921,254,356.36
  5. Step 5: Solve for x
    x = 5,921,254,356.36/88,673.55
  6. Step 6: Final answer
    x = 66,775.88

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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.