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Finding the Fourth Proportional to 75,226.51, 103,814.63 and 54,045.42

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Solution

The fourth proportional to 75,226.51, 103,814.63 and 54,045.42 is: 74,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.51 : 103,814.63 = 54,045.42 : x
  2. Step 2: Convert to fraction form
    75,226.51/103,814.63 = 54,045.42/x
  3. Step 3: Cross multiply
    75,226.51x = 103,814.63 × 54,045.42
  4. Step 4: Simplify right side
    75,226.51x = 5,610,705,280.49
  5. Step 5: Solve for x
    x = 5,610,705,280.49/75,226.51
  6. Step 6: Final answer
    x = 74,584.15

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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.