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Finding the Fourth Proportional to 240,293.68, 360,440.87 and 98,138.98

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Solution

The fourth proportional to 240,293.68, 360,440.87 and 98,138.98 is: 147,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,293.68 : 360,440.87 = 98,138.98 : x
  2. Step 2: Convert to fraction form
    240,293.68/360,440.87 = 98,138.98/x
  3. Step 3: Cross multiply
    240,293.68x = 360,440.87 × 98,138.98
  4. Step 4: Simplify right side
    240,293.68x = 35,373,299,389.83
  5. Step 5: Solve for x
    x = 35,373,299,389.83/240,293.68
  6. Step 6: Final answer
    x = 147,208.61

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1.5x scale

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.