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Finding the Fourth Proportional to 93,385.98, 140,053.53 and 31,048.38

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Solution

The fourth proportional to 93,385.98, 140,053.53 and 31,048.38 is: 46,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,385.98 : 140,053.53 = 31,048.38 : x
  2. Step 2: Convert to fraction form
    93,385.98/140,053.53 = 31,048.38/x
  3. Step 3: Cross multiply
    93,385.98x = 140,053.53 × 31,048.38
  4. Step 4: Simplify right side
    93,385.98x = 4,348,435,219.78
  5. Step 5: Solve for x
    x = 4,348,435,219.78/93,385.98
  6. Step 6: Final answer
    x = 46,564.11

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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.