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Finding the Fourth Proportional to 68,892.93, 103,253.13 and 29,403.81

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Solution

The fourth proportional to 68,892.93, 103,253.13 and 29,403.81 is: 44,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,892.93 : 103,253.13 = 29,403.81 : x
  2. Step 2: Convert to fraction form
    68,892.93/103,253.13 = 29,403.81/x
  3. Step 3: Cross multiply
    68,892.93x = 103,253.13 × 29,403.81
  4. Step 4: Simplify right side
    68,892.93x = 3,036,035,416.43
  5. Step 5: Solve for x
    x = 3,036,035,416.43/68,892.93
  6. Step 6: Final answer
    x = 44,068.90

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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.