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Finding the Fourth Proportional to 116,148.36, 160,296.84 and 65,174.85

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Solution

The fourth proportional to 116,148.36, 160,296.84 and 65,174.85 is: 89,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,148.36 : 160,296.84 = 65,174.85 : x
  2. Step 2: Convert to fraction form
    116,148.36/160,296.84 = 65,174.85/x
  3. Step 3: Cross multiply
    116,148.36x = 160,296.84 × 65,174.85
  4. Step 4: Simplify right side
    116,148.36x = 10,447,322,502.47
  5. Step 5: Solve for x
    x = 10,447,322,502.47/116,148.36
  6. Step 6: Final answer
    x = 89,948.08

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1.5x scale

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.