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Finding the Fourth Proportional to 239,587.16, 359,101.28 and 180,231.98

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Solution

The fourth proportional to 239,587.16, 359,101.28 and 180,231.98 is: 270,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,587.16 : 359,101.28 = 180,231.98 : x
  2. Step 2: Convert to fraction form
    239,587.16/359,101.28 = 180,231.98/x
  3. Step 3: Cross multiply
    239,587.16x = 359,101.28 × 180,231.98
  4. Step 4: Simplify right side
    239,587.16x = 64,721,533,370.01
  5. Step 5: Solve for x
    x = 64,721,533,370.01/239,587.16
  6. Step 6: Final answer
    x = 270,137.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.