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Finding the Fourth Proportional to 173,745.78, 260,210.43 and 84,720.18

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Solution

The fourth proportional to 173,745.78, 260,210.43 and 84,720.18 is: 126,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,745.78 : 260,210.43 = 84,720.18 : x
  2. Step 2: Convert to fraction form
    173,745.78/260,210.43 = 84,720.18/x
  3. Step 3: Cross multiply
    173,745.78x = 260,210.43 × 84,720.18
  4. Step 4: Simplify right side
    173,745.78x = 22,045,074,467.48
  5. Step 5: Solve for x
    x = 22,045,074,467.48/173,745.78
  6. Step 6: Final answer
    x = 126,881.21

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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.