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Finding the Fourth Proportional to 240,955.56, 361,430.72 and 98,769.13

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Solution

The fourth proportional to 240,955.56, 361,430.72 and 98,769.13 is: 148,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,955.56 : 361,430.72 = 98,769.13 : x
  2. Step 2: Convert to fraction form
    240,955.56/361,430.72 = 98,769.13/x
  3. Step 3: Cross multiply
    240,955.56x = 361,430.72 × 98,769.13
  4. Step 4: Simplify right side
    240,955.56x = 35,698,197,769.67
  5. Step 5: Solve for x
    x = 35,698,197,769.67/240,955.56
  6. Step 6: Final answer
    x = 148,152.62

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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.