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Finding the Fourth Proportional to 160,477.48, 240,761.20 and 64,482.09

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Solution

The fourth proportional to 160,477.48, 240,761.20 and 64,482.09 is: 96,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,477.48 : 240,761.20 = 64,482.09 : x
  2. Step 2: Convert to fraction form
    160,477.48/240,761.20 = 64,482.09/x
  3. Step 3: Cross multiply
    160,477.48x = 240,761.20 × 64,482.09
  4. Step 4: Simplify right side
    160,477.48x = 15,524,785,366.91
  5. Step 5: Solve for x
    x = 15,524,785,366.91/160,477.48
  6. Step 6: Final answer
    x = 96,741.21

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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.