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Finding the Fourth Proportional to 64,162.30, 96,061.20 and 60,671.20

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Solution

The fourth proportional to 64,162.30, 96,061.20 and 60,671.20 is: 90,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162.30 : 96,061.20 = 60,671.20 : x
  2. Step 2: Convert to fraction form
    64,162.30/96,061.20 = 60,671.20/x
  3. Step 3: Cross multiply
    64,162.30x = 96,061.20 × 60,671.20
  4. Step 4: Simplify right side
    64,162.30x = 5,828,148,277.44
  5. Step 5: Solve for x
    x = 5,828,148,277.44/64,162.30
  6. Step 6: Final answer
    x = 90,834.47

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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.