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Finding the Fourth Proportional to 161,572.80, 241,840.80 and 114,916.80

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Solution

The fourth proportional to 161,572.80, 241,840.80 and 114,916.80 is: 172,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,572.80 : 241,840.80 = 114,916.80 : x
  2. Step 2: Convert to fraction form
    161,572.80/241,840.80 = 114,916.80/x
  3. Step 3: Cross multiply
    161,572.80x = 241,840.80 × 114,916.80
  4. Step 4: Simplify right side
    161,572.80x = 27,791,570,845.44
  5. Step 5: Solve for x
    x = 27,791,570,845.44/161,572.80
  6. Step 6: Final answer
    x = 172,006.49

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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.