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Finding the Fourth Proportional to 167,292.77, 230,856.12 and 90,810.14

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Solution

The fourth proportional to 167,292.77, 230,856.12 and 90,810.14 is: 125,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,292.77 : 230,856.12 = 90,810.14 : x
  2. Step 2: Convert to fraction form
    167,292.77/230,856.12 = 90,810.14/x
  3. Step 3: Cross multiply
    167,292.77x = 230,856.12 × 90,810.14
  4. Step 4: Simplify right side
    167,292.77x = 20,964,075,422.78
  5. Step 5: Solve for x
    x = 20,964,075,422.78/167,292.77
  6. Step 6: Final answer
    x = 125,313.70

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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.