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Finding the Fourth Proportional to 101,048.56, 151,486.44 and 38,763.76

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Solution

The fourth proportional to 101,048.56, 151,486.44 and 38,763.76 is: 58,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,048.56 : 151,486.44 = 38,763.76 : x
  2. Step 2: Convert to fraction form
    101,048.56/151,486.44 = 38,763.76/x
  3. Step 3: Cross multiply
    101,048.56x = 151,486.44 × 38,763.76
  4. Step 4: Simplify right side
    101,048.56x = 5,872,184,003.41
  5. Step 5: Solve for x
    x = 5,872,184,003.41/101,048.56
  6. Step 6: Final answer
    x = 58,112.50

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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.