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Finding the Fourth Proportional to 116,812.95, 161,201.85 and 63,097.97

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Solution

The fourth proportional to 116,812.95, 161,201.85 and 63,097.97 is: 87,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,812.95 : 161,201.85 = 63,097.97 : x
  2. Step 2: Convert to fraction form
    116,812.95/161,201.85 = 63,097.97/x
  3. Step 3: Cross multiply
    116,812.95x = 161,201.85 × 63,097.97
  4. Step 4: Simplify right side
    116,812.95x = 10,171,508,934.50
  5. Step 5: Solve for x
    x = 10,171,508,934.50/116,812.95
  6. Step 6: Final answer
    x = 87,075.18

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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.