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Finding the Fourth Proportional to 189,275.60, 283,873.28 and 70,955.66

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Solution

The fourth proportional to 189,275.60, 283,873.28 and 70,955.66 is: 106,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,275.60 : 283,873.28 = 70,955.66 : x
  2. Step 2: Convert to fraction form
    189,275.60/283,873.28 = 70,955.66/x
  3. Step 3: Cross multiply
    189,275.60x = 283,873.28 × 70,955.66
  4. Step 4: Simplify right side
    189,275.60x = 20,142,416,293.67
  5. Step 5: Solve for x
    x = 20,142,416,293.67/189,275.60
  6. Step 6: Final answer
    x = 106,418.45

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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.