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Finding the Fourth Proportional to 185,886.65, 256,525.16 and 101,003.72

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Solution

The fourth proportional to 185,886.65, 256,525.16 and 101,003.72 is: 139,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,886.65 : 256,525.16 = 101,003.72 : x
  2. Step 2: Convert to fraction form
    185,886.65/256,525.16 = 101,003.72/x
  3. Step 3: Cross multiply
    185,886.65x = 256,525.16 × 101,003.72
  4. Step 4: Simplify right side
    185,886.65x = 25,909,993,645.95
  5. Step 5: Solve for x
    x = 25,909,993,645.95/185,886.65
  6. Step 6: Final answer
    x = 139,385.98

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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.