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Finding the Fourth Proportional to 240,449.18, 360,706.56 and 100,175

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Solution

The fourth proportional to 240,449.18, 360,706.56 and 100,175 is: 150,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,449.18 : 360,706.56 = 100,175 : x
  2. Step 2: Convert to fraction form
    240,449.18/360,706.56 = 100,175/x
  3. Step 3: Cross multiply
    240,449.18x = 360,706.56 × 100,175
  4. Step 4: Simplify right side
    240,449.18x = 36,133,779,648
  5. Step 5: Solve for x
    x = 36,133,779,648/240,449.18
  6. Step 6: Final answer
    x = 150,276.16

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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.