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Finding the Fourth Proportional to 173,888.80, 260,833.20 and 111,680.80

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Solution

The fourth proportional to 173,888.80, 260,833.20 and 111,680.80 is: 167,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,888.80 : 260,833.20 = 111,680.80 : x
  2. Step 2: Convert to fraction form
    173,888.80/260,833.20 = 111,680.80/x
  3. Step 3: Cross multiply
    173,888.80x = 260,833.20 × 111,680.80
  4. Step 4: Simplify right side
    173,888.80x = 29,130,060,442.56
  5. Step 5: Solve for x
    x = 29,130,060,442.56/173,888.80
  6. Step 6: Final answer
    x = 167,521.20

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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.