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Finding the Fourth Proportional to 75,225.51, 103,813.25 and 54,044.42

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Solution

The fourth proportional to 75,225.51, 103,813.25 and 54,044.42 is: 74,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,225.51 : 103,813.25 = 54,044.42 : x
  2. Step 2: Convert to fraction form
    75,225.51/103,813.25 = 54,044.42/x
  3. Step 3: Cross multiply
    75,225.51x = 103,813.25 × 54,044.42
  4. Step 4: Simplify right side
    75,225.51x = 5,610,526,095.28
  5. Step 5: Solve for x
    x = 5,610,526,095.28/75,225.51
  6. Step 6: Final answer
    x = 74,582.76

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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.