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Finding the Fourth Proportional to 79,448.69, 109,710.35 and 59,270.52

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Solution

The fourth proportional to 79,448.69, 109,710.35 and 59,270.52 is: 81,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.69 : 109,710.35 = 59,270.52 : x
  2. Step 2: Convert to fraction form
    79,448.69/109,710.35 = 59,270.52/x
  3. Step 3: Cross multiply
    79,448.69x = 109,710.35 × 59,270.52
  4. Step 4: Simplify right side
    79,448.69x = 6,502,589,197.53
  5. Step 5: Solve for x
    x = 6,502,589,197.53/79,448.69
  6. Step 6: Final answer
    x = 81,846.40

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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.