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Finding the Fourth Proportional to 68,802.60, 103,105.08 and 29,349.12

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Solution

The fourth proportional to 68,802.60, 103,105.08 and 29,349.12 is: 43,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,802.60 : 103,105.08 = 29,349.12 : x
  2. Step 2: Convert to fraction form
    68,802.60/103,105.08 = 29,349.12/x
  3. Step 3: Cross multiply
    68,802.60x = 103,105.08 × 29,349.12
  4. Step 4: Simplify right side
    68,802.60x = 3,026,043,365.53
  5. Step 5: Solve for x
    x = 3,026,043,365.53/68,802.60
  6. Step 6: Final answer
    x = 43,981.53

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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.