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Finding the Fourth Proportional to 92,727.84, 138,741.84 and 53,303.52

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Solution

The fourth proportional to 92,727.84, 138,741.84 and 53,303.52 is: 79,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,727.84 : 138,741.84 = 53,303.52 : x
  2. Step 2: Convert to fraction form
    92,727.84/138,741.84 = 53,303.52/x
  3. Step 3: Cross multiply
    92,727.84x = 138,741.84 × 53,303.52
  4. Step 4: Simplify right side
    92,727.84x = 7,395,428,443.28
  5. Step 5: Solve for x
    x = 7,395,428,443.28/92,727.84
  6. Step 6: Final answer
    x = 79,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.