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Finding the Fourth Proportional to 178,782.01, 246,616.10 and 107,120.52

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Solution

The fourth proportional to 178,782.01, 246,616.10 and 107,120.52 is: 147,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,782.01 : 246,616.10 = 107,120.52 : x
  2. Step 2: Convert to fraction form
    178,782.01/246,616.10 = 107,120.52/x
  3. Step 3: Cross multiply
    178,782.01x = 246,616.10 × 107,120.52
  4. Step 4: Simplify right side
    178,782.01x = 26,417,643,894.23
  5. Step 5: Solve for x
    x = 26,417,643,894.23/178,782.01
  6. Step 6: Final answer
    x = 147,764.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.