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Finding the Fourth Proportional to 93,034.98, 128,392.29 and 52,748.42

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Solution

The fourth proportional to 93,034.98, 128,392.29 and 52,748.42 is: 72,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,034.98 : 128,392.29 = 52,748.42 : x
  2. Step 2: Convert to fraction form
    93,034.98/128,392.29 = 52,748.42/x
  3. Step 3: Cross multiply
    93,034.98x = 128,392.29 × 52,748.42
  4. Step 4: Simplify right side
    93,034.98x = 6,772,489,795.72
  5. Step 5: Solve for x
    x = 6,772,489,795.72/93,034.98
  6. Step 6: Final answer
    x = 72,795.09

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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.