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Finding the Fourth Proportional to 113,693.34, 170,658.29 and 83,741.40

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Solution

The fourth proportional to 113,693.34, 170,658.29 and 83,741.40 is: 125,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,693.34 : 170,658.29 = 83,741.40 : x
  2. Step 2: Convert to fraction form
    113,693.34/170,658.29 = 83,741.40/x
  3. Step 3: Cross multiply
    113,693.34x = 170,658.29 × 83,741.40
  4. Step 4: Simplify right side
    113,693.34x = 14,291,163,381.56
  5. Step 5: Solve for x
    x = 14,291,163,381.56/113,693.34
  6. Step 6: Final answer
    x = 125,699.22

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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.