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Finding the Fourth Proportional to 263,920.96, 364,210.08 and 143,062.72

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Solution

The fourth proportional to 263,920.96, 364,210.08 and 143,062.72 is: 197,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,920.96 : 364,210.08 = 143,062.72 : x
  2. Step 2: Convert to fraction form
    263,920.96/364,210.08 = 143,062.72/x
  3. Step 3: Cross multiply
    263,920.96x = 364,210.08 × 143,062.72
  4. Step 4: Simplify right side
    263,920.96x = 52,104,884,696.22
  5. Step 5: Solve for x
    x = 52,104,884,696.22/263,920.96
  6. Step 6: Final answer
    x = 197,426.10

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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.