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Finding the Fourth Proportional to 201,007.41, 301,430.66 and 88,607.75

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Solution

The fourth proportional to 201,007.41, 301,430.66 and 88,607.75 is: 132,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,007.41 : 301,430.66 = 88,607.75 : x
  2. Step 2: Convert to fraction form
    201,007.41/301,430.66 = 88,607.75/x
  3. Step 3: Cross multiply
    201,007.41x = 301,430.66 × 88,607.75
  4. Step 4: Simplify right side
    201,007.41x = 26,709,090,613.42
  5. Step 5: Solve for x
    x = 26,709,090,613.42/201,007.41
  6. Step 6: Final answer
    x = 132,876.15

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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.