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Finding the Fourth Proportional to 75,165.76, 103,725.35 and 44,967.74

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Solution

The fourth proportional to 75,165.76, 103,725.35 and 44,967.74 is: 62,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.76 : 103,725.35 = 44,967.74 : x
  2. Step 2: Convert to fraction form
    75,165.76/103,725.35 = 44,967.74/x
  3. Step 3: Cross multiply
    75,165.76x = 103,725.35 × 44,967.74
  4. Step 4: Simplify right side
    75,165.76x = 4,664,294,248.32
  5. Step 5: Solve for x
    x = 4,664,294,248.32/75,165.76
  6. Step 6: Final answer
    x = 62,053.44

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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.