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Finding the Fourth Proportional to 107,127.99, 147,838.13 and 58,734.48

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Solution

The fourth proportional to 107,127.99, 147,838.13 and 58,734.48 is: 81,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.99 : 147,838.13 = 58,734.48 : x
  2. Step 2: Convert to fraction form
    107,127.99/147,838.13 = 58,734.48/x
  3. Step 3: Cross multiply
    107,127.99x = 147,838.13 × 58,734.48
  4. Step 4: Simplify right side
    107,127.99x = 8,683,195,396.05
  5. Step 5: Solve for x
    x = 8,683,195,396.05/107,127.99
  6. Step 6: Final answer
    x = 81,054.40

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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.