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Finding the Fourth Proportional to 109,011.83, 150,402.51 and 63,657.09

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Solution

The fourth proportional to 109,011.83, 150,402.51 and 63,657.09 is: 87,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011.83 : 150,402.51 = 63,657.09 : x
  2. Step 2: Convert to fraction form
    109,011.83/150,402.51 = 63,657.09/x
  3. Step 3: Cross multiply
    109,011.83x = 150,402.51 × 63,657.09
  4. Step 4: Simplify right side
    109,011.83x = 9,574,186,115.30
  5. Step 5: Solve for x
    x = 9,574,186,115.30/109,011.83
  6. Step 6: Final answer
    x = 87,827.04

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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.