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Finding the Fourth Proportional to 173,870.30, 260,805.45 and 151,060.70

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Solution

The fourth proportional to 173,870.30, 260,805.45 and 151,060.70 is: 226,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,870.30 : 260,805.45 = 151,060.70 : x
  2. Step 2: Convert to fraction form
    173,870.30/260,805.45 = 151,060.70/x
  3. Step 3: Cross multiply
    173,870.30x = 260,805.45 × 151,060.70
  4. Step 4: Simplify right side
    173,870.30x = 39,397,453,840.82
  5. Step 5: Solve for x
    x = 39,397,453,840.82/173,870.30
  6. Step 6: Final answer
    x = 226,591.05

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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.