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Finding the Fourth Proportional to 107,051.49, 147,720.31 and 59,295.92

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Solution

The fourth proportional to 107,051.49, 147,720.31 and 59,295.92 is: 81,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,051.49 : 147,720.31 = 59,295.92 : x
  2. Step 2: Convert to fraction form
    107,051.49/147,720.31 = 59,295.92/x
  3. Step 3: Cross multiply
    107,051.49x = 147,720.31 × 59,295.92
  4. Step 4: Simplify right side
    107,051.49x = 8,759,210,797.29
  5. Step 5: Solve for x
    x = 8,759,210,797.29/107,051.49
  6. Step 6: Final answer
    x = 81,822.41

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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.