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Finding the Fourth Proportional to 136,501.70, 204,752.55 and 101,072.30

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Solution

The fourth proportional to 136,501.70, 204,752.55 and 101,072.30 is: 151,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,501.70 : 204,752.55 = 101,072.30 : x
  2. Step 2: Convert to fraction form
    136,501.70/204,752.55 = 101,072.30/x
  3. Step 3: Cross multiply
    136,501.70x = 204,752.55 × 101,072.30
  4. Step 4: Simplify right side
    136,501.70x = 20,694,811,159.37
  5. Step 5: Solve for x
    x = 20,694,811,159.37/136,501.70
  6. Step 6: Final answer
    x = 151,608.45

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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.