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Finding the Fourth Proportional to 157,661.86, 236,352.14 and 57,798.73

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Solution

The fourth proportional to 157,661.86, 236,352.14 and 57,798.73 is: 86,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.86 : 236,352.14 = 57,798.73 : x
  2. Step 2: Convert to fraction form
    157,661.86/236,352.14 = 57,798.73/x
  3. Step 3: Cross multiply
    157,661.86x = 236,352.14 × 57,798.73
  4. Step 4: Simplify right side
    157,661.86x = 13,660,853,235.79
  5. Step 5: Solve for x
    x = 13,660,853,235.79/157,661.86
  6. Step 6: Final answer
    x = 86,646.53

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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.