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Finding the Fourth Proportional to 69,064.30, 103,679.43 and 46,810.17

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Solution

The fourth proportional to 69,064.30, 103,679.43 and 46,810.17 is: 70,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.30 : 103,679.43 = 46,810.17 : x
  2. Step 2: Convert to fraction form
    69,064.30/103,679.43 = 46,810.17/x
  3. Step 3: Cross multiply
    69,064.30x = 103,679.43 × 46,810.17
  4. Step 4: Simplify right side
    69,064.30x = 4,853,251,743.80
  5. Step 5: Solve for x
    x = 4,853,251,743.80/69,064.30
  6. Step 6: Final answer
    x = 70,271.50

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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.