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Finding the Fourth Proportional to 93,498.84, 129,023.28 and 57,691.44

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Solution

The fourth proportional to 93,498.84, 129,023.28 and 57,691.44 is: 79,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,498.84 : 129,023.28 = 57,691.44 : x
  2. Step 2: Convert to fraction form
    93,498.84/129,023.28 = 57,691.44/x
  3. Step 3: Cross multiply
    93,498.84x = 129,023.28 × 57,691.44
  4. Step 4: Simplify right side
    93,498.84x = 7,443,538,816.72
  5. Step 5: Solve for x
    x = 7,443,538,816.72/93,498.84
  6. Step 6: Final answer
    x = 79,611.03

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1.5x scale

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.