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Finding the Fourth Proportional to 68,348.40, 102,522.60 and 57,267.60

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Solution

The fourth proportional to 68,348.40, 102,522.60 and 57,267.60 is: 85,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,348.40 : 102,522.60 = 57,267.60 : x
  2. Step 2: Convert to fraction form
    68,348.40/102,522.60 = 57,267.60/x
  3. Step 3: Cross multiply
    68,348.40x = 102,522.60 × 57,267.60
  4. Step 4: Simplify right side
    68,348.40x = 5,871,223,247.76
  5. Step 5: Solve for x
    x = 5,871,223,247.76/68,348.40
  6. Step 6: Final answer
    x = 85,901.40

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1.5x scale

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.