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Finding the Fourth Proportional to 251,445.60, 377,247.12 and 83,084.22

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Solution

The fourth proportional to 251,445.60, 377,247.12 and 83,084.22 is: 124,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,445.60 : 377,247.12 = 83,084.22 : x
  2. Step 2: Convert to fraction form
    251,445.60/377,247.12 = 83,084.22/x
  3. Step 3: Cross multiply
    251,445.60x = 377,247.12 × 83,084.22
  4. Step 4: Simplify right side
    251,445.60x = 31,343,282,712.45
  5. Step 5: Solve for x
    x = 31,343,282,712.45/251,445.60
  6. Step 6: Final answer
    x = 124,652.34

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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.