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Finding the Fourth Proportional to 74,784.84, 103,201.44 and 41,250.84

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Solution

The fourth proportional to 74,784.84, 103,201.44 and 41,250.84 is: 56,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784.84 : 103,201.44 = 41,250.84 : x
  2. Step 2: Convert to fraction form
    74,784.84/103,201.44 = 41,250.84/x
  3. Step 3: Cross multiply
    74,784.84x = 103,201.44 × 41,250.84
  4. Step 4: Simplify right side
    74,784.84x = 4,257,146,089.21
  5. Step 5: Solve for x
    x = 4,257,146,089.21/74,784.84
  6. Step 6: Final answer
    x = 56,925.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.