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Finding the Fourth Proportional to 161,040.84, 242,525.76 and 146,675.76

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Solution

The fourth proportional to 161,040.84, 242,525.76 and 146,675.76 is: 220,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,040.84 : 242,525.76 = 146,675.76 : x
  2. Step 2: Convert to fraction form
    161,040.84/242,525.76 = 146,675.76/x
  3. Step 3: Cross multiply
    161,040.84x = 242,525.76 × 146,675.76
  4. Step 4: Simplify right side
    161,040.84x = 35,572,650,167.58
  5. Step 5: Solve for x
    x = 35,572,650,167.58/161,040.84
  6. Step 6: Final answer
    x = 220,892.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.