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Finding the Fourth Proportional to 116,008.38, 160,102.80 and 65,029.77

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Solution

The fourth proportional to 116,008.38, 160,102.80 and 65,029.77 is: 89,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,008.38 : 160,102.80 = 65,029.77 : x
  2. Step 2: Convert to fraction form
    116,008.38/160,102.80 = 65,029.77/x
  3. Step 3: Cross multiply
    116,008.38x = 160,102.80 × 65,029.77
  4. Step 4: Simplify right side
    116,008.38x = 10,411,448,260.36
  5. Step 5: Solve for x
    x = 10,411,448,260.36/116,008.38
  6. Step 6: Final answer
    x = 89,747.38

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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.