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Finding the Fourth Proportional to 161,159.76, 241,739.63 and 61,296.89

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Solution

The fourth proportional to 161,159.76, 241,739.63 and 61,296.89 is: 91,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,159.76 : 241,739.63 = 61,296.89 : x
  2. Step 2: Convert to fraction form
    161,159.76/241,739.63 = 61,296.89/x
  3. Step 3: Cross multiply
    161,159.76x = 241,739.63 × 61,296.89
  4. Step 4: Simplify right side
    161,159.76x = 14,817,885,993.57
  5. Step 5: Solve for x
    x = 14,817,885,993.57/161,159.76
  6. Step 6: Final answer
    x = 91,945.32

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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.