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Finding the Fourth Proportional to 75,148.29, 103,468.59 and 63,794.25

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Solution

The fourth proportional to 75,148.29, 103,468.59 and 63,794.25 is: 87,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.29 : 103,468.59 = 63,794.25 : x
  2. Step 2: Convert to fraction form
    75,148.29/103,468.59 = 63,794.25/x
  3. Step 3: Cross multiply
    75,148.29x = 103,468.59 × 63,794.25
  4. Step 4: Simplify right side
    75,148.29x = 6,600,701,097.61
  5. Step 5: Solve for x
    x = 6,600,701,097.61/75,148.29
  6. Step 6: Final answer
    x = 87,835.68

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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.