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Finding the Fourth Proportional to 136,158.40, 203,834.40 and 101,252.80

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Solution

The fourth proportional to 136,158.40, 203,834.40 and 101,252.80 is: 151,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.40 : 203,834.40 = 101,252.80 : x
  2. Step 2: Convert to fraction form
    136,158.40/203,834.40 = 101,252.80/x
  3. Step 3: Cross multiply
    136,158.40x = 203,834.40 × 101,252.80
  4. Step 4: Simplify right side
    136,158.40x = 20,638,803,736.32
  5. Step 5: Solve for x
    x = 20,638,803,736.32/136,158.40
  6. Step 6: Final answer
    x = 151,579.36

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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.