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Finding the Fourth Proportional to 109,059.90, 163,600.65 and 37,971.60

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Solution

The fourth proportional to 109,059.90, 163,600.65 and 37,971.60 is: 56,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.90 : 163,600.65 = 37,971.60 : x
  2. Step 2: Convert to fraction form
    109,059.90/163,600.65 = 37,971.60/x
  3. Step 3: Cross multiply
    109,059.90x = 163,600.65 × 37,971.60
  4. Step 4: Simplify right side
    109,059.90x = 6,212,178,441.54
  5. Step 5: Solve for x
    x = 6,212,178,441.54/109,059.90
  6. Step 6: Final answer
    x = 56,961.16

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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.