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Finding the Fourth Proportional to 169,785.87, 234,303.12 and 92,260.83

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Solution

The fourth proportional to 169,785.87, 234,303.12 and 92,260.83 is: 127,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,785.87 : 234,303.12 = 92,260.83 : x
  2. Step 2: Convert to fraction form
    169,785.87/234,303.12 = 92,260.83/x
  3. Step 3: Cross multiply
    169,785.87x = 234,303.12 × 92,260.83
  4. Step 4: Simplify right side
    169,785.87x = 21,617,000,322.79
  5. Step 5: Solve for x
    x = 21,617,000,322.79/169,785.87
  6. Step 6: Final answer
    x = 127,319.20

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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.