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Finding the Fourth Proportional to 240,486.88, 360,775.68 and 74,236

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Solution

The fourth proportional to 240,486.88, 360,775.68 and 74,236 is: 111,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,486.88 : 360,775.68 = 74,236 : x
  2. Step 2: Convert to fraction form
    240,486.88/360,775.68 = 74,236/x
  3. Step 3: Cross multiply
    240,486.88x = 360,775.68 × 74,236
  4. Step 4: Simplify right side
    240,486.88x = 26,782,543,380.48
  5. Step 5: Solve for x
    x = 26,782,543,380.48/240,486.88
  6. Step 6: Final answer
    x = 111,368.00

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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.