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Finding the Fourth Proportional to 268,597.68, 402,838.92 and 110,785.20

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Solution

The fourth proportional to 268,597.68, 402,838.92 and 110,785.20 is: 166,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,597.68 : 402,838.92 = 110,785.20 : x
  2. Step 2: Convert to fraction form
    268,597.68/402,838.92 = 110,785.20/x
  3. Step 3: Cross multiply
    268,597.68x = 402,838.92 × 110,785.20
  4. Step 4: Simplify right side
    268,597.68x = 44,628,590,319.98
  5. Step 5: Solve for x
    x = 44,628,590,319.98/268,597.68
  6. Step 6: Final answer
    x = 166,154.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.