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Finding the Fourth Proportional to 161,528.88, 241,700.81 and 134,808.87

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Solution

The fourth proportional to 161,528.88, 241,700.81 and 134,808.87 is: 201,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,528.88 : 241,700.81 = 134,808.87 : x
  2. Step 2: Convert to fraction form
    161,528.88/241,700.81 = 134,808.87/x
  3. Step 3: Cross multiply
    161,528.88x = 241,700.81 × 134,808.87
  4. Step 4: Simplify right side
    161,528.88x = 32,583,412,400.14
  5. Step 5: Solve for x
    x = 32,583,412,400.14/161,528.88
  6. Step 6: Final answer
    x = 201,718.80

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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.