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Finding the Fourth Proportional to 185,888.54, 256,525.66 and 101,005.58

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Solution

The fourth proportional to 185,888.54, 256,525.66 and 101,005.58 is: 139,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,888.54 : 256,525.66 = 101,005.58 : x
  2. Step 2: Convert to fraction form
    185,888.54/256,525.66 = 101,005.58/x
  3. Step 3: Cross multiply
    185,888.54x = 256,525.66 × 101,005.58
  4. Step 4: Simplify right side
    185,888.54x = 25,910,523,840.75
  5. Step 5: Solve for x
    x = 25,910,523,840.75/185,888.54
  6. Step 6: Final answer
    x = 139,387.42

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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.