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Finding the Fourth Proportional to 161,100.30, 241,412.85 and 116,820.30

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Solution

The fourth proportional to 161,100.30, 241,412.85 and 116,820.30 is: 175,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.30 : 241,412.85 = 116,820.30 : x
  2. Step 2: Convert to fraction form
    161,100.30/241,412.85 = 116,820.30/x
  3. Step 3: Cross multiply
    161,100.30x = 241,412.85 × 116,820.30
  4. Step 4: Simplify right side
    161,100.30x = 28,201,921,560.86
  5. Step 5: Solve for x
    x = 28,201,921,560.86/161,100.30
  6. Step 6: Final answer
    x = 175,058.16

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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.