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Finding the Fourth Proportional to 240,070.64, 360,098.21 and 71,592.36

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Solution

The fourth proportional to 240,070.64, 360,098.21 and 71,592.36 is: 107,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,070.64 : 360,098.21 = 71,592.36 : x
  2. Step 2: Convert to fraction form
    240,070.64/360,098.21 = 71,592.36/x
  3. Step 3: Cross multiply
    240,070.64x = 360,098.21 × 71,592.36
  4. Step 4: Simplify right side
    240,070.64x = 25,780,279,111.58
  5. Step 5: Solve for x
    x = 25,780,279,111.58/240,070.64
  6. Step 6: Final answer
    x = 107,386.22

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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.