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Finding the Fourth Proportional to 68,637.84, 103,000.47 and 29,194.89

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Solution

The fourth proportional to 68,637.84, 103,000.47 and 29,194.89 is: 43,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637.84 : 103,000.47 = 29,194.89 : x
  2. Step 2: Convert to fraction form
    68,637.84/103,000.47 = 29,194.89/x
  3. Step 3: Cross multiply
    68,637.84x = 103,000.47 × 29,194.89
  4. Step 4: Simplify right side
    68,637.84x = 3,007,087,391.60
  5. Step 5: Solve for x
    x = 3,007,087,391.60/68,637.84
  6. Step 6: Final answer
    x = 43,810.93

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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.