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Finding the Fourth Proportional to 242,255.80, 363,442.02 and 76,043.80

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Solution

The fourth proportional to 242,255.80, 363,442.02 and 76,043.80 is: 114,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,255.80 : 363,442.02 = 76,043.80 : x
  2. Step 2: Convert to fraction form
    242,255.80/363,442.02 = 76,043.80/x
  3. Step 3: Cross multiply
    242,255.80x = 363,442.02 × 76,043.80
  4. Step 4: Simplify right side
    242,255.80x = 27,637,512,280.48
  5. Step 5: Solve for x
    x = 27,637,512,280.48/242,255.80
  6. Step 6: Final answer
    x = 114,084.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.