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Finding the Fourth Proportional to 235,777.44, 325,225.76 and 143,854.72

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Solution

The fourth proportional to 235,777.44, 325,225.76 and 143,854.72 is: 198,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,777.44 : 325,225.76 = 143,854.72 : x
  2. Step 2: Convert to fraction form
    235,777.44/325,225.76 = 143,854.72/x
  3. Step 3: Cross multiply
    235,777.44x = 325,225.76 × 143,854.72
  4. Step 4: Simplify right side
    235,777.44x = 46,785,260,641.59
  5. Step 5: Solve for x
    x = 46,785,260,641.59/235,777.44
  6. Step 6: Final answer
    x = 198,429.76

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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.