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Finding the Fourth Proportional to 201,084.40, 301,845.30 and 112,510.90

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Solution

The fourth proportional to 201,084.40, 301,845.30 and 112,510.90 is: 168,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,084.40 : 301,845.30 = 112,510.90 : x
  2. Step 2: Convert to fraction form
    201,084.40/301,845.30 = 112,510.90/x
  3. Step 3: Cross multiply
    201,084.40x = 301,845.30 × 112,510.90
  4. Step 4: Simplify right side
    201,084.40x = 33,960,886,363.77
  5. Step 5: Solve for x
    x = 33,960,886,363.77/201,084.40
  6. Step 6: Final answer
    x = 168,888.72

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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.