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Finding the Fourth Proportional to 113,783.58, 170,703.15 and 37,881.97

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Solution

The fourth proportional to 113,783.58, 170,703.15 and 37,881.97 is: 56,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783.58 : 170,703.15 = 37,881.97 : x
  2. Step 2: Convert to fraction form
    113,783.58/170,703.15 = 37,881.97/x
  3. Step 3: Cross multiply
    113,783.58x = 170,703.15 × 37,881.97
  4. Step 4: Simplify right side
    113,783.58x = 6,466,571,607.21
  5. Step 5: Solve for x
    x = 6,466,571,607.21/113,783.58
  6. Step 6: Final answer
    x = 56,832.20

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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.