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Finding the Fourth Proportional to 105,479.76, 158,236.08 and 35,342.67

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Solution

The fourth proportional to 105,479.76, 158,236.08 and 35,342.67 is: 53,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,479.76 : 158,236.08 = 35,342.67 : x
  2. Step 2: Convert to fraction form
    105,479.76/158,236.08 = 35,342.67/x
  3. Step 3: Cross multiply
    105,479.76x = 158,236.08 × 35,342.67
  4. Step 4: Simplify right side
    105,479.76x = 5,592,485,557.53
  5. Step 5: Solve for x
    x = 5,592,485,557.53/105,479.76
  6. Step 6: Final answer
    x = 53,019.51

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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.