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Finding the Fourth Proportional to 201,679.48, 302,448.66 and 59,487.01

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Solution

The fourth proportional to 201,679.48, 302,448.66 and 59,487.01 is: 89,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,679.48 : 302,448.66 = 59,487.01 : x
  2. Step 2: Convert to fraction form
    201,679.48/302,448.66 = 59,487.01/x
  3. Step 3: Cross multiply
    201,679.48x = 302,448.66 × 59,487.01
  4. Step 4: Simplify right side
    201,679.48x = 17,991,766,461.91
  5. Step 5: Solve for x
    x = 17,991,766,461.91/201,679.48
  6. Step 6: Final answer
    x = 89,209.70

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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.