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Finding the Fourth Proportional to 107,029.44, 147,700.80 and 59,284.80

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Solution

The fourth proportional to 107,029.44, 147,700.80 and 59,284.80 is: 81,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029.44 : 147,700.80 = 59,284.80 : x
  2. Step 2: Convert to fraction form
    107,029.44/147,700.80 = 59,284.80/x
  3. Step 3: Cross multiply
    107,029.44x = 147,700.80 × 59,284.80
  4. Step 4: Simplify right side
    107,029.44x = 8,756,412,387.84
  5. Step 5: Solve for x
    x = 8,756,412,387.84/107,029.44
  6. Step 6: Final answer
    x = 81,813.12

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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.