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Finding the Fourth Proportional to 174,264.83, 260,216.87 and 138,322.90

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Solution

The fourth proportional to 174,264.83, 260,216.87 and 138,322.90 is: 206,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,264.83 : 260,216.87 = 138,322.90 : x
  2. Step 2: Convert to fraction form
    174,264.83/260,216.87 = 138,322.90/x
  3. Step 3: Cross multiply
    174,264.83x = 260,216.87 × 138,322.90
  4. Step 4: Simplify right side
    174,264.83x = 35,993,951,720.98
  5. Step 5: Solve for x
    x = 35,993,951,720.98/174,264.83
  6. Step 6: Final answer
    x = 206,547.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.