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Finding the Fourth Proportional to 108,970.58, 163,455.58 and 29,008.55

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Solution

The fourth proportional to 108,970.58, 163,455.58 and 29,008.55 is: 43,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,970.58 : 163,455.58 = 29,008.55 : x
  2. Step 2: Convert to fraction form
    108,970.58/163,455.58 = 29,008.55/x
  3. Step 3: Cross multiply
    108,970.58x = 163,455.58 × 29,008.55
  4. Step 4: Simplify right side
    108,970.58x = 4,741,609,365.21
  5. Step 5: Solve for x
    x = 4,741,609,365.21/108,970.58
  6. Step 6: Final answer
    x = 43,512.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.