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Finding the Fourth Proportional to 109,337.10, 164,005.65 and 73,907.70

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Solution

The fourth proportional to 109,337.10, 164,005.65 and 73,907.70 is: 110,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,337.10 : 164,005.65 = 73,907.70 : x
  2. Step 2: Convert to fraction form
    109,337.10/164,005.65 = 73,907.70/x
  3. Step 3: Cross multiply
    109,337.10x = 164,005.65 × 73,907.70
  4. Step 4: Simplify right side
    109,337.10x = 12,121,280,378.51
  5. Step 5: Solve for x
    x = 12,121,280,378.51/109,337.10
  6. Step 6: Final answer
    x = 110,861.55

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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.