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Finding the Fourth Proportional to 240,707.84, 361,269.12 and 116,153.60

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Solution

The fourth proportional to 240,707.84, 361,269.12 and 116,153.60 is: 174,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,707.84 : 361,269.12 = 116,153.60 : x
  2. Step 2: Convert to fraction form
    240,707.84/361,269.12 = 116,153.60/x
  3. Step 3: Cross multiply
    240,707.84x = 361,269.12 × 116,153.60
  4. Step 4: Simplify right side
    240,707.84x = 41,962,708,856.83
  5. Step 5: Solve for x
    x = 41,962,708,856.83/240,707.84
  6. Step 6: Final answer
    x = 174,330.46

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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.