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Finding the Fourth Proportional to 100,886.52, 151,331.00 and 34,328.01

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Solution

The fourth proportional to 100,886.52, 151,331.00 and 34,328.01 is: 51,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,886.52 : 151,331.00 = 34,328.01 : x
  2. Step 2: Convert to fraction form
    100,886.52/151,331.00 = 34,328.01/x
  3. Step 3: Cross multiply
    100,886.52x = 151,331.00 × 34,328.01
  4. Step 4: Simplify right side
    100,886.52x = 5,194,891,909.67
  5. Step 5: Solve for x
    x = 5,194,891,909.67/100,886.52
  6. Step 6: Final answer
    x = 51,492.43

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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.