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Finding the Fourth Proportional to 77,404.93, 106,823.12 and 58,250.25

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Solution

The fourth proportional to 77,404.93, 106,823.12 and 58,250.25 is: 80,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.93 : 106,823.12 = 58,250.25 : x
  2. Step 2: Convert to fraction form
    77,404.93/106,823.12 = 58,250.25/x
  3. Step 3: Cross multiply
    77,404.93x = 106,823.12 × 58,250.25
  4. Step 4: Simplify right side
    77,404.93x = 6,222,473,154.53
  5. Step 5: Solve for x
    x = 6,222,473,154.53/77,404.93
  6. Step 6: Final answer
    x = 80,388.59

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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.