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Finding the Fourth Proportional to 92,948.84, 128,258.98 and 52,653.97

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Solution

The fourth proportional to 92,948.84, 128,258.98 and 52,653.97 is: 72,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,948.84 : 128,258.98 = 52,653.97 : x
  2. Step 2: Convert to fraction form
    92,948.84/128,258.98 = 52,653.97/x
  3. Step 3: Cross multiply
    92,948.84x = 128,258.98 × 52,653.97
  4. Step 4: Simplify right side
    92,948.84x = 6,753,344,230.32
  5. Step 5: Solve for x
    x = 6,753,344,230.32/92,948.84
  6. Step 6: Final answer
    x = 72,656.58

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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.