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Finding the Fourth Proportional to 240,072.64, 360,109.12 and 62,579.20

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Solution

The fourth proportional to 240,072.64, 360,109.12 and 62,579.20 is: 93,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,072.64 : 360,109.12 = 62,579.20 : x
  2. Step 2: Convert to fraction form
    240,072.64/360,109.12 = 62,579.20/x
  3. Step 3: Cross multiply
    240,072.64x = 360,109.12 × 62,579.20
  4. Step 4: Simplify right side
    240,072.64x = 22,535,340,642.30
  5. Step 5: Solve for x
    x = 22,535,340,642.30/240,072.64
  6. Step 6: Final answer
    x = 93,868.84

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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.