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Finding the Fourth Proportional to 240,888.60, 360,957.60 and 91,047.15

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Solution

The fourth proportional to 240,888.60, 360,957.60 and 91,047.15 is: 136,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,888.60 : 360,957.60 = 91,047.15 : x
  2. Step 2: Convert to fraction form
    240,888.60/360,957.60 = 91,047.15/x
  3. Step 3: Cross multiply
    240,888.60x = 360,957.60 × 91,047.15
  4. Step 4: Simplify right side
    240,888.60x = 32,864,160,750.84
  5. Step 5: Solve for x
    x = 32,864,160,750.84/240,888.60
  6. Step 6: Final answer
    x = 136,428.88

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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.