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Finding the Fourth Proportional to 92,419.84, 127,533.44 and 52,673.28

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Solution

The fourth proportional to 92,419.84, 127,533.44 and 52,673.28 is: 72,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,419.84 : 127,533.44 = 52,673.28 : x
  2. Step 2: Convert to fraction form
    92,419.84/127,533.44 = 52,673.28/x
  3. Step 3: Cross multiply
    92,419.84x = 127,533.44 × 52,673.28
  4. Step 4: Simplify right side
    92,419.84x = 6,717,604,594.48
  5. Step 5: Solve for x
    x = 6,717,604,594.48/92,419.84
  6. Step 6: Final answer
    x = 72,685.74

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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.