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Finding the Fourth Proportional to 72,570.83, 108,848.07 and 25,177.19

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Solution

The fourth proportional to 72,570.83, 108,848.07 and 25,177.19 is: 37,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,570.83 : 108,848.07 = 25,177.19 : x
  2. Step 2: Convert to fraction form
    72,570.83/108,848.07 = 25,177.19/x
  3. Step 3: Cross multiply
    72,570.83x = 108,848.07 × 25,177.19
  4. Step 4: Simplify right side
    72,570.83x = 2,740,487,995.28
  5. Step 5: Solve for x
    x = 2,740,487,995.28/72,570.83
  6. Step 6: Final answer
    x = 37,762.94

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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.