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Finding the Fourth Proportional to 107,126.48, 147,843.26 and 59,393.96

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Solution

The fourth proportional to 107,126.48, 147,843.26 and 59,393.96 is: 81,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,126.48 : 147,843.26 = 59,393.96 : x
  2. Step 2: Convert to fraction form
    107,126.48/147,843.26 = 59,393.96/x
  3. Step 3: Cross multiply
    107,126.48x = 147,843.26 × 59,393.96
  4. Step 4: Simplify right side
    107,126.48x = 8,780,996,670.71
  5. Step 5: Solve for x
    x = 8,780,996,670.71/107,126.48
  6. Step 6: Final answer
    x = 81,968.50

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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.