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Finding the Fourth Proportional to 101,545.68, 152,287.33 and 70,157.44

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Solution

The fourth proportional to 101,545.68, 152,287.33 and 70,157.44 is: 105,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.68 : 152,287.33 = 70,157.44 : x
  2. Step 2: Convert to fraction form
    101,545.68/152,287.33 = 70,157.44/x
  3. Step 3: Cross multiply
    101,545.68x = 152,287.33 × 70,157.44
  4. Step 4: Simplify right side
    101,545.68x = 10,684,089,232.20
  5. Step 5: Solve for x
    x = 10,684,089,232.20/101,545.68
  6. Step 6: Final answer
    x = 105,214.62

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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.