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Finding the Fourth Proportional to 235,162.40, 352,740.16 and 57,670.76

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Solution

The fourth proportional to 235,162.40, 352,740.16 and 57,670.76 is: 86,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,162.40 : 352,740.16 = 57,670.76 : x
  2. Step 2: Convert to fraction form
    235,162.40/352,740.16 = 57,670.76/x
  3. Step 3: Cross multiply
    235,162.40x = 352,740.16 × 57,670.76
  4. Step 4: Simplify right side
    235,162.40x = 20,342,793,109.72
  5. Step 5: Solve for x
    x = 20,342,793,109.72/235,162.40
  6. Step 6: Final answer
    x = 86,505.30

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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.