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Finding the Fourth Proportional to 120,888.57, 166,714.60 and 75,552.06

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Solution

The fourth proportional to 120,888.57, 166,714.60 and 75,552.06 is: 104,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,888.57 : 166,714.60 = 75,552.06 : x
  2. Step 2: Convert to fraction form
    120,888.57/166,714.60 = 75,552.06/x
  3. Step 3: Cross multiply
    120,888.57x = 166,714.60 × 75,552.06
  4. Step 4: Simplify right side
    120,888.57x = 12,595,631,462.08
  5. Step 5: Solve for x
    x = 12,595,631,462.08/120,888.57
  6. Step 6: Final answer
    x = 104,192.08

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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.