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Finding the Fourth Proportional to 173,405.90, 260,108.85 and 84,832.40

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Solution

The fourth proportional to 173,405.90, 260,108.85 and 84,832.40 is: 127,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.90 : 260,108.85 = 84,832.40 : x
  2. Step 2: Convert to fraction form
    173,405.90/260,108.85 = 84,832.40/x
  3. Step 3: Cross multiply
    173,405.90x = 260,108.85 × 84,832.40
  4. Step 4: Simplify right side
    173,405.90x = 22,065,658,006.74
  5. Step 5: Solve for x
    x = 22,065,658,006.74/173,405.90
  6. Step 6: Final answer
    x = 127,248.60

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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.