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Finding the Fourth Proportional to 116,010.57, 160,107.87 and 65,037.07

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Solution

The fourth proportional to 116,010.57, 160,107.87 and 65,037.07 is: 89,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,010.57 : 160,107.87 = 65,037.07 : x
  2. Step 2: Convert to fraction form
    116,010.57/160,107.87 = 65,037.07/x
  3. Step 3: Cross multiply
    116,010.57x = 160,107.87 × 65,037.07
  4. Step 4: Simplify right side
    116,010.57x = 10,412,946,748.74
  5. Step 5: Solve for x
    x = 10,412,946,748.74/116,010.57
  6. Step 6: Final answer
    x = 89,758.60

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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.