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Finding the Fourth Proportional to 157,632.70, 236,449.05 and 98,650.30

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Solution

The fourth proportional to 157,632.70, 236,449.05 and 98,650.30 is: 147,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,632.70 : 236,449.05 = 98,650.30 : x
  2. Step 2: Convert to fraction form
    157,632.70/236,449.05 = 98,650.30/x
  3. Step 3: Cross multiply
    157,632.70x = 236,449.05 × 98,650.30
  4. Step 4: Simplify right side
    157,632.70x = 23,325,769,717.22
  5. Step 5: Solve for x
    x = 23,325,769,717.22/157,632.70
  6. Step 6: Final answer
    x = 147,975.45

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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.