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Finding the Fourth Proportional to 179,886.76, 248,272.90 and 104,479

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Solution

The fourth proportional to 179,886.76, 248,272.90 and 104,479 is: 144,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,886.76 : 248,272.90 = 104,479 : x
  2. Step 2: Convert to fraction form
    179,886.76/248,272.90 = 104,479/x
  3. Step 3: Cross multiply
    179,886.76x = 248,272.90 × 104,479
  4. Step 4: Simplify right side
    179,886.76x = 25,939,304,319.10
  5. Step 5: Solve for x
    x = 25,939,304,319.10/179,886.76
  6. Step 6: Final answer
    x = 144,197.96

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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.