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Finding the Fourth Proportional to 134,354.70, 201,473.73 and 40,838.58

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Solution

The fourth proportional to 134,354.70, 201,473.73 and 40,838.58 is: 61,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,354.70 : 201,473.73 = 40,838.58 : x
  2. Step 2: Convert to fraction form
    134,354.70/201,473.73 = 40,838.58/x
  3. Step 3: Cross multiply
    134,354.70x = 201,473.73 × 40,838.58
  4. Step 4: Simplify right side
    134,354.70x = 8,227,901,040.50
  5. Step 5: Solve for x
    x = 8,227,901,040.50/134,354.70
  6. Step 6: Final answer
    x = 61,240.14

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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.