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Finding the Fourth Proportional to 139,968.01, 209,952.02 and 46,473.76

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Solution

The fourth proportional to 139,968.01, 209,952.02 and 46,473.76 is: 69,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.01 : 209,952.02 = 46,473.76 : x
  2. Step 2: Convert to fraction form
    139,968.01/209,952.02 = 46,473.76/x
  3. Step 3: Cross multiply
    139,968.01x = 209,952.02 × 46,473.76
  4. Step 4: Simplify right side
    139,968.01x = 9,757,260,167.62
  5. Step 5: Solve for x
    x = 9,757,260,167.62/139,968.01
  6. Step 6: Final answer
    x = 69,710.64

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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.