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Finding the Fourth Proportional to 161,652.88, 242,479.32 and 56,472.76

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Solution

The fourth proportional to 161,652.88, 242,479.32 and 56,472.76 is: 84,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,652.88 : 242,479.32 = 56,472.76 : x
  2. Step 2: Convert to fraction form
    161,652.88/242,479.32 = 56,472.76/x
  3. Step 3: Cross multiply
    161,652.88x = 242,479.32 × 56,472.76
  4. Step 4: Simplify right side
    161,652.88x = 13,693,476,443.32
  5. Step 5: Solve for x
    x = 13,693,476,443.32/161,652.88
  6. Step 6: Final answer
    x = 84,709.14

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1.5x scale

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.