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Finding the Fourth Proportional to 157,015.67, 235,488.12 and 44,693.40

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Solution

The fourth proportional to 157,015.67, 235,488.12 and 44,693.40 is: 67,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,015.67 : 235,488.12 = 44,693.40 : x
  2. Step 2: Convert to fraction form
    157,015.67/235,488.12 = 44,693.40/x
  3. Step 3: Cross multiply
    157,015.67x = 235,488.12 × 44,693.40
  4. Step 4: Simplify right side
    157,015.67x = 10,524,764,742.41
  5. Step 5: Solve for x
    x = 10,524,764,742.41/157,015.67
  6. Step 6: Final answer
    x = 67,030.03

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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.