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Finding the Fourth Proportional to 161,282.92, 241,929.84 and 56,102.80

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Solution

The fourth proportional to 161,282.92, 241,929.84 and 56,102.80 is: 84,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282.92 : 241,929.84 = 56,102.80 : x
  2. Step 2: Convert to fraction form
    161,282.92/241,929.84 = 56,102.80/x
  3. Step 3: Cross multiply
    161,282.92x = 241,929.84 × 56,102.80
  4. Step 4: Simplify right side
    161,282.92x = 13,572,941,427.55
  5. Step 5: Solve for x
    x = 13,572,941,427.55/161,282.92
  6. Step 6: Final answer
    x = 84,156.10

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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.