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Finding the Fourth Proportional to 116,360.69, 160,595.13 and 71,064.74

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Solution

The fourth proportional to 116,360.69, 160,595.13 and 71,064.74 is: 98,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,360.69 : 160,595.13 = 71,064.74 : x
  2. Step 2: Convert to fraction form
    116,360.69/160,595.13 = 71,064.74/x
  3. Step 3: Cross multiply
    116,360.69x = 160,595.13 × 71,064.74
  4. Step 4: Simplify right side
    116,360.69x = 11,412,651,158.72
  5. Step 5: Solve for x
    x = 11,412,651,158.72/116,360.69
  6. Step 6: Final answer
    x = 98,079.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.