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Finding the Fourth Proportional to 108,859.03, 150,199.16 and 63,511.12

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Solution

The fourth proportional to 108,859.03, 150,199.16 and 63,511.12 is: 87,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,859.03 : 150,199.16 = 63,511.12 : x
  2. Step 2: Convert to fraction form
    108,859.03/150,199.16 = 63,511.12/x
  3. Step 3: Cross multiply
    108,859.03x = 150,199.16 × 63,511.12
  4. Step 4: Simplify right side
    108,859.03x = 9,539,316,744.85
  5. Step 5: Solve for x
    x = 9,539,316,744.85/108,859.03
  6. Step 6: Final answer
    x = 87,630.00

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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.