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Finding the Fourth Proportional to 108,840.60, 163,260.90 and 93,094.20

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Solution

The fourth proportional to 108,840.60, 163,260.90 and 93,094.20 is: 139,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,840.60 : 163,260.90 = 93,094.20 : x
  2. Step 2: Convert to fraction form
    108,840.60/163,260.90 = 93,094.20/x
  3. Step 3: Cross multiply
    108,840.60x = 163,260.90 × 93,094.20
  4. Step 4: Simplify right side
    108,840.60x = 15,198,642,876.78
  5. Step 5: Solve for x
    x = 15,198,642,876.78/108,840.60
  6. Step 6: Final answer
    x = 139,641.30

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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.