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Finding the Fourth Proportional to 109,017.68, 150,410.58 and 63,662.94

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Solution

The fourth proportional to 109,017.68, 150,410.58 and 63,662.94 is: 87,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017.68 : 150,410.58 = 63,662.94 : x
  2. Step 2: Convert to fraction form
    109,017.68/150,410.58 = 63,662.94/x
  3. Step 3: Cross multiply
    109,017.68x = 150,410.58 × 63,662.94
  4. Step 4: Simplify right side
    109,017.68x = 9,575,579,729.91
  5. Step 5: Solve for x
    x = 9,575,579,729.91/109,017.68
  6. Step 6: Final answer
    x = 87,835.11

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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.