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Finding the Fourth Proportional to 240,336.92, 360,557.10 and 71,870.60

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Solution

The fourth proportional to 240,336.92, 360,557.10 and 71,870.60 is: 107,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,336.92 : 360,557.10 = 71,870.60 : x
  2. Step 2: Convert to fraction form
    240,336.92/360,557.10 = 71,870.60/x
  3. Step 3: Cross multiply
    240,336.92x = 360,557.10 × 71,870.60
  4. Step 4: Simplify right side
    240,336.92x = 25,913,455,111.26
  5. Step 5: Solve for x
    x = 25,913,455,111.26/240,336.92
  6. Step 6: Final answer
    x = 107,821.37

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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.