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Finding the Fourth Proportional to 214,674.90, 322,159.98 and 74,433.51

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Solution

The fourth proportional to 214,674.90, 322,159.98 and 74,433.51 is: 111,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,674.90 : 322,159.98 = 74,433.51 : x
  2. Step 2: Convert to fraction form
    214,674.90/322,159.98 = 74,433.51/x
  3. Step 3: Cross multiply
    214,674.90x = 322,159.98 × 74,433.51
  4. Step 4: Simplify right side
    214,674.90x = 23,979,498,092.93
  5. Step 5: Solve for x
    x = 23,979,498,092.93/214,674.90
  6. Step 6: Final answer
    x = 111,701.45

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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.