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Finding the Fourth Proportional to 116,034.19, 160,127.18 and 65,733.19

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Solution

The fourth proportional to 116,034.19, 160,127.18 and 65,733.19 is: 90,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,034.19 : 160,127.18 = 65,733.19 : x
  2. Step 2: Convert to fraction form
    116,034.19/160,127.18 = 65,733.19/x
  3. Step 3: Cross multiply
    116,034.19x = 160,127.18 × 65,733.19
  4. Step 4: Simplify right side
    116,034.19x = 10,525,669,864.62
  5. Step 5: Solve for x
    x = 10,525,669,864.62/116,034.19
  6. Step 6: Final answer
    x = 90,711.80

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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.