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Finding the Fourth Proportional to 108,857.49, 150,197.05 and 63,509.59

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Solution

The fourth proportional to 108,857.49, 150,197.05 and 63,509.59 is: 87,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.49 : 150,197.05 = 63,509.59 : x
  2. Step 2: Convert to fraction form
    108,857.49/150,197.05 = 63,509.59/x
  3. Step 3: Cross multiply
    108,857.49x = 150,197.05 × 63,509.59
  4. Step 4: Simplify right side
    108,857.49x = 9,538,953,064.71
  5. Step 5: Solve for x
    x = 9,538,953,064.71/108,857.49
  6. Step 6: Final answer
    x = 87,627.90

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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.