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Finding the Fourth Proportional to 107,103.47, 147,797.46 and 59,356.40

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Solution

The fourth proportional to 107,103.47, 147,797.46 and 59,356.40 is: 81,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,103.47 : 147,797.46 = 59,356.40 : x
  2. Step 2: Convert to fraction form
    107,103.47/147,797.46 = 59,356.40/x
  3. Step 3: Cross multiply
    107,103.47x = 147,797.46 × 59,356.40
  4. Step 4: Simplify right side
    107,103.47x = 8,772,724,415.76
  5. Step 5: Solve for x
    x = 8,772,724,415.76/107,103.47
  6. Step 6: Final answer
    x = 81,908.88

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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.