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Finding the Fourth Proportional to 136,277.70, 204,416.55 and 100,848.30

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Solution

The fourth proportional to 136,277.70, 204,416.55 and 100,848.30 is: 151,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,277.70 : 204,416.55 = 100,848.30 : x
  2. Step 2: Convert to fraction form
    136,277.70/204,416.55 = 100,848.30/x
  3. Step 3: Cross multiply
    136,277.70x = 204,416.55 × 100,848.30
  4. Step 4: Simplify right side
    136,277.70x = 20,615,061,559.37
  5. Step 5: Solve for x
    x = 20,615,061,559.37/136,277.70
  6. Step 6: Final answer
    x = 151,272.45

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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.