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Finding the Fourth Proportional to 139,754.70, 209,567.52 and 44,967.24

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Solution

The fourth proportional to 139,754.70, 209,567.52 and 44,967.24 is: 67,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,754.70 : 209,567.52 = 44,967.24 : x
  2. Step 2: Convert to fraction form
    139,754.70/209,567.52 = 44,967.24/x
  3. Step 3: Cross multiply
    139,754.70x = 209,567.52 × 44,967.24
  4. Step 4: Simplify right side
    139,754.70x = 9,423,672,968.04
  5. Step 5: Solve for x
    x = 9,423,672,968.04/139,754.70
  6. Step 6: Final answer
    x = 67,430.10

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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.