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Finding the Fourth Proportional to 270,881.57, 373,820.49 and 156,158.08

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Solution

The fourth proportional to 270,881.57, 373,820.49 and 156,158.08 is: 215,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,881.57 : 373,820.49 = 156,158.08 : x
  2. Step 2: Convert to fraction form
    270,881.57/373,820.49 = 156,158.08/x
  3. Step 3: Cross multiply
    270,881.57x = 373,820.49 × 156,158.08
  4. Step 4: Simplify right side
    270,881.57x = 58,375,089,048.51
  5. Step 5: Solve for x
    x = 58,375,089,048.51/270,881.57
  6. Step 6: Final answer
    x = 215,500.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.