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Finding the Fourth Proportional to 161,885.70, 242,828.55 and 160,848.90

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Solution

The fourth proportional to 161,885.70, 242,828.55 and 160,848.90 is: 241,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,885.70 : 242,828.55 = 160,848.90 : x
  2. Step 2: Convert to fraction form
    161,885.70/242,828.55 = 160,848.90/x
  3. Step 3: Cross multiply
    161,885.70x = 242,828.55 × 160,848.90
  4. Step 4: Simplify right side
    161,885.70x = 39,058,705,156.10
  5. Step 5: Solve for x
    x = 39,058,705,156.10/161,885.70
  6. Step 6: Final answer
    x = 241,273.35

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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.