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Finding the Fourth Proportional to 240,139.68, 359,887.52 and 186,895.94

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Solution

The fourth proportional to 240,139.68, 359,887.52 and 186,895.94 is: 280,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,139.68 : 359,887.52 = 186,895.94 : x
  2. Step 2: Convert to fraction form
    240,139.68/359,887.52 = 186,895.94/x
  3. Step 3: Cross multiply
    240,139.68x = 359,887.52 × 186,895.94
  4. Step 4: Simplify right side
    240,139.68x = 67,261,516,344.67
  5. Step 5: Solve for x
    x = 67,261,516,344.67/240,139.68
  6. Step 6: Final answer
    x = 280,093.30

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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.