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Finding the Fourth Proportional to 174,695.40, 262,240.20 and 115,646.40

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Solution

The fourth proportional to 174,695.40, 262,240.20 and 115,646.40 is: 173,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,695.40 : 262,240.20 = 115,646.40 : x
  2. Step 2: Convert to fraction form
    174,695.40/262,240.20 = 115,646.40/x
  3. Step 3: Cross multiply
    174,695.40x = 262,240.20 × 115,646.40
  4. Step 4: Simplify right side
    174,695.40x = 30,327,135,065.28
  5. Step 5: Solve for x
    x = 30,327,135,065.28/174,695.40
  6. Step 6: Final answer
    x = 173,600.08

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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.