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Finding the Fourth Proportional to 185,561, 278,389.04 and 60,903.08

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Solution

The fourth proportional to 185,561, 278,389.04 and 60,903.08 is: 91,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,561 : 278,389.04 = 60,903.08 : x
  2. Step 2: Convert to fraction form
    185,561/278,389.04 = 60,903.08/x
  3. Step 3: Cross multiply
    185,561x = 278,389.04 × 60,903.08
  4. Step 4: Simplify right side
    185,561x = 16,954,749,974.24
  5. Step 5: Solve for x
    x = 16,954,749,974.24/185,561
  6. Step 6: Final answer
    x = 91,370.22

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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.