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Finding the Fourth Proportional to 160,556.16, 240,834.24 and 48,248.40

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Solution

The fourth proportional to 160,556.16, 240,834.24 and 48,248.40 is: 72,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,556.16 : 240,834.24 = 48,248.40 : x
  2. Step 2: Convert to fraction form
    160,556.16/240,834.24 = 48,248.40/x
  3. Step 3: Cross multiply
    160,556.16x = 240,834.24 × 48,248.40
  4. Step 4: Simplify right side
    160,556.16x = 11,619,866,745.22
  5. Step 5: Solve for x
    x = 11,619,866,745.22/160,556.16
  6. Step 6: Final answer
    x = 72,372.60

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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.