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Finding the Fourth Proportional to 173,507.70, 260,261.55 and 84,818.10

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Solution

The fourth proportional to 173,507.70, 260,261.55 and 84,818.10 is: 127,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,507.70 : 260,261.55 = 84,818.10 : x
  2. Step 2: Convert to fraction form
    173,507.70/260,261.55 = 84,818.10/x
  3. Step 3: Cross multiply
    173,507.70x = 260,261.55 × 84,818.10
  4. Step 4: Simplify right side
    173,507.70x = 22,074,890,174.06
  5. Step 5: Solve for x
    x = 22,074,890,174.06/173,507.70
  6. Step 6: Final answer
    x = 127,227.15

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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.