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Finding the Fourth Proportional to 316,065.36, 473,851.96 and 158,212.56

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Solution

The fourth proportional to 316,065.36, 473,851.96 and 158,212.56 is: 237,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,065.36 : 473,851.96 = 158,212.56 : x
  2. Step 2: Convert to fraction form
    316,065.36/473,851.96 = 158,212.56/x
  3. Step 3: Cross multiply
    316,065.36x = 473,851.96 × 158,212.56
  4. Step 4: Simplify right side
    316,065.36x = 74,969,331,652.62
  5. Step 5: Solve for x
    x = 74,969,331,652.62/316,065.36
  6. Step 6: Final answer
    x = 237,195.66

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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.