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Finding the Fourth Proportional to 161,568, 242,374.08 and 56,371.52

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Solution

The fourth proportional to 161,568, 242,374.08 and 56,371.52 is: 84,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,568 : 242,374.08 = 56,371.52 : x
  2. Step 2: Convert to fraction form
    161,568/242,374.08 = 56,371.52/x
  3. Step 3: Cross multiply
    161,568x = 242,374.08 × 56,371.52
  4. Step 4: Simplify right side
    161,568x = 13,662,995,298.20
  5. Step 5: Solve for x
    x = 13,662,995,298.20/161,568
  6. Step 6: Final answer
    x = 84,564.98

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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.