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Finding the Fourth Proportional to 109,677.74, 151,344.06 and 63,730.22

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Solution

The fourth proportional to 109,677.74, 151,344.06 and 63,730.22 is: 87,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.74 : 151,344.06 = 63,730.22 : x
  2. Step 2: Convert to fraction form
    109,677.74/151,344.06 = 63,730.22/x
  3. Step 3: Cross multiply
    109,677.74x = 151,344.06 × 63,730.22
  4. Step 4: Simplify right side
    109,677.74x = 9,645,190,239.49
  5. Step 5: Solve for x
    x = 9,645,190,239.49/109,677.74
  6. Step 6: Final answer
    x = 87,941.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.