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Finding the Fourth Proportional to 139,710.88, 209,576.04 and 46,282.24

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Solution

The fourth proportional to 139,710.88, 209,576.04 and 46,282.24 is: 69,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,710.88 : 209,576.04 = 46,282.24 : x
  2. Step 2: Convert to fraction form
    139,710.88/209,576.04 = 46,282.24/x
  3. Step 3: Cross multiply
    139,710.88x = 209,576.04 × 46,282.24
  4. Step 4: Simplify right side
    139,710.88x = 9,699,648,581.53
  5. Step 5: Solve for x
    x = 9,699,648,581.53/139,710.88
  6. Step 6: Final answer
    x = 69,426.58

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1.5x scale

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.