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Finding the Fourth Proportional to 161,051.76, 241,522.98 and 61,187.88

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Solution

The fourth proportional to 161,051.76, 241,522.98 and 61,187.88 is: 91,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,051.76 : 241,522.98 = 61,187.88 : x
  2. Step 2: Convert to fraction form
    161,051.76/241,522.98 = 61,187.88/x
  3. Step 3: Cross multiply
    161,051.76x = 241,522.98 × 61,187.88
  4. Step 4: Simplify right side
    161,051.76x = 14,778,279,117.48
  5. Step 5: Solve for x
    x = 14,778,279,117.48/161,051.76
  6. Step 6: Final answer
    x = 91,761.05

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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.