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Finding the Fourth Proportional to 93,349.98, 140,042.88 and 51,207

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Solution

The fourth proportional to 93,349.98, 140,042.88 and 51,207 is: 76,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,349.98 : 140,042.88 = 51,207 : x
  2. Step 2: Convert to fraction form
    93,349.98/140,042.88 = 51,207/x
  3. Step 3: Cross multiply
    93,349.98x = 140,042.88 × 51,207
  4. Step 4: Simplify right side
    93,349.98x = 7,171,175,756.16
  5. Step 5: Solve for x
    x = 7,171,175,756.16/93,349.98
  6. Step 6: Final answer
    x = 76,820.32

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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.