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Finding the Fourth Proportional to 201,011.41, 301,436.65 and 88,611.75

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Solution

The fourth proportional to 201,011.41, 301,436.65 and 88,611.75 is: 132,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011.41 : 301,436.65 = 88,611.75 : x
  2. Step 2: Convert to fraction form
    201,011.41/301,436.65 = 88,611.75/x
  3. Step 3: Cross multiply
    201,011.41x = 301,436.65 × 88,611.75
  4. Step 4: Simplify right side
    201,011.41x = 26,710,829,070.64
  5. Step 5: Solve for x
    x = 26,710,829,070.64/201,011.41
  6. Step 6: Final answer
    x = 132,882.15

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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.