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Finding the Fourth Proportional to 93,518.28, 140,295.72 and 34,354.42

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Solution

The fourth proportional to 93,518.28, 140,295.72 and 34,354.42 is: 51,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,518.28 : 140,295.72 = 34,354.42 : x
  2. Step 2: Convert to fraction form
    93,518.28/140,295.72 = 34,354.42/x
  3. Step 3: Cross multiply
    93,518.28x = 140,295.72 × 34,354.42
  4. Step 4: Simplify right side
    93,518.28x = 4,819,778,089.08
  5. Step 5: Solve for x
    x = 4,819,778,089.08/93,518.28
  6. Step 6: Final answer
    x = 51,538.35

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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.