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Finding the Fourth Proportional to 103,670.70, 155,390.85 and 44,496.30

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Solution

The fourth proportional to 103,670.70, 155,390.85 and 44,496.30 is: 66,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,670.70 : 155,390.85 = 44,496.30 : x
  2. Step 2: Convert to fraction form
    103,670.70/155,390.85 = 44,496.30/x
  3. Step 3: Cross multiply
    103,670.70x = 155,390.85 × 44,496.30
  4. Step 4: Simplify right side
    103,670.70x = 6,914,317,878.86
  5. Step 5: Solve for x
    x = 6,914,317,878.86/103,670.70
  6. Step 6: Final answer
    x = 66,695.01

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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.