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Finding the Fourth Proportional to 161,264.52, 241,901.02 and 42,936.08

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Solution

The fourth proportional to 161,264.52, 241,901.02 and 42,936.08 is: 64,405.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,264.52 : 241,901.02 = 42,936.08 : x
  2. Step 2: Convert to fraction form
    161,264.52/241,901.02 = 42,936.08/x
  3. Step 3: Cross multiply
    161,264.52x = 241,901.02 × 42,936.08
  4. Step 4: Simplify right side
    161,264.52x = 10,386,281,546.80
  5. Step 5: Solve for x
    x = 10,386,281,546.80/161,264.52
  6. Step 6: Final answer
    x = 64,405.25

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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.