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Finding the Fourth Proportional to 157,542.15, 236,313.23 and 157,542.15

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Solution

The fourth proportional to 157,542.15, 236,313.23 and 157,542.15 is: 236,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,542.15 : 236,313.23 = 157,542.15 : x
  2. Step 2: Convert to fraction form
    157,542.15/236,313.23 = 157,542.15/x
  3. Step 3: Cross multiply
    157,542.15x = 236,313.23 × 157,542.15
  4. Step 4: Simplify right side
    157,542.15x = 37,229,293,539.93
  5. Step 5: Solve for x
    x = 37,229,293,539.93/157,542.15
  6. Step 6: Final answer
    x = 236,313.23

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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.