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Finding the Fourth Proportional to 109,059.40, 163,599.90 and 37,971.10

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Solution

The fourth proportional to 109,059.40, 163,599.90 and 37,971.10 is: 56,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.40 : 163,599.90 = 37,971.10 : x
  2. Step 2: Convert to fraction form
    109,059.40/163,599.90 = 37,971.10/x
  3. Step 3: Cross multiply
    109,059.40x = 163,599.90 × 37,971.10
  4. Step 4: Simplify right side
    109,059.40x = 6,212,068,162.89
  5. Step 5: Solve for x
    x = 6,212,068,162.89/109,059.40
  6. Step 6: Final answer
    x = 56,960.41

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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.