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Finding the Fourth Proportional to 108,866.24, 150,209.10 and 63,518.34

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Solution

The fourth proportional to 108,866.24, 150,209.10 and 63,518.34 is: 87,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866.24 : 150,209.10 = 63,518.34 : x
  2. Step 2: Convert to fraction form
    108,866.24/150,209.10 = 63,518.34/x
  3. Step 3: Cross multiply
    108,866.24x = 150,209.10 × 63,518.34
  4. Step 4: Simplify right side
    108,866.24x = 9,541,032,684.89
  5. Step 5: Solve for x
    x = 9,541,032,684.89/108,866.24
  6. Step 6: Final answer
    x = 87,639.96

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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.