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Finding the Fourth Proportional to 134,296.40, 201,201.60 and 64,020.80

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Solution

The fourth proportional to 134,296.40, 201,201.60 and 64,020.80 is: 95,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,296.40 : 201,201.60 = 64,020.80 : x
  2. Step 2: Convert to fraction form
    134,296.40/201,201.60 = 64,020.80/x
  3. Step 3: Cross multiply
    134,296.40x = 201,201.60 × 64,020.80
  4. Step 4: Simplify right side
    134,296.40x = 12,881,087,393.28
  5. Step 5: Solve for x
    x = 12,881,087,393.28/134,296.40
  6. Step 6: Final answer
    x = 95,915.36

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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.