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Finding the Fourth Proportional to 134,600.40, 201,927.60 and 39,830.40

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Solution

The fourth proportional to 134,600.40, 201,927.60 and 39,830.40 is: 59,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600.40 : 201,927.60 = 39,830.40 : x
  2. Step 2: Convert to fraction form
    134,600.40/201,927.60 = 39,830.40/x
  3. Step 3: Cross multiply
    134,600.40x = 201,927.60 × 39,830.40
  4. Step 4: Simplify right side
    134,600.40x = 8,042,857,079.04
  5. Step 5: Solve for x
    x = 8,042,857,079.04/134,600.40
  6. Step 6: Final answer
    x = 59,753.59

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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.