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Finding the Fourth Proportional to 67,805.40, 101,708.10 and 46,810.20

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Solution

The fourth proportional to 67,805.40, 101,708.10 and 46,810.20 is: 70,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,805.40 : 101,708.10 = 46,810.20 : x
  2. Step 2: Convert to fraction form
    67,805.40/101,708.10 = 46,810.20/x
  3. Step 3: Cross multiply
    67,805.40x = 101,708.10 × 46,810.20
  4. Step 4: Simplify right side
    67,805.40x = 4,760,976,502.62
  5. Step 5: Solve for x
    x = 4,760,976,502.62/67,805.40
  6. Step 6: Final answer
    x = 70,215.30

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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.