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Finding the Fourth Proportional to 161,690.68, 242,386.98 and 148,406.68

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Solution

The fourth proportional to 161,690.68, 242,386.98 and 148,406.68 is: 222,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,690.68 : 242,386.98 = 148,406.68 : x
  2. Step 2: Convert to fraction form
    161,690.68/242,386.98 = 148,406.68/x
  3. Step 3: Cross multiply
    161,690.68x = 242,386.98 × 148,406.68
  4. Step 4: Simplify right side
    161,690.68x = 35,971,846,977.03
  5. Step 5: Solve for x
    x = 35,971,846,977.03/161,690.68
  6. Step 6: Final answer
    x = 222,473.22

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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.