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Finding the Fourth Proportional to 93,706.90, 140,572.06 and 30,533.42

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Solution

The fourth proportional to 93,706.90, 140,572.06 and 30,533.42 is: 45,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.90 : 140,572.06 = 30,533.42 : x
  2. Step 2: Convert to fraction form
    93,706.90/140,572.06 = 30,533.42/x
  3. Step 3: Cross multiply
    93,706.90x = 140,572.06 × 30,533.42
  4. Step 4: Simplify right side
    93,706.90x = 4,292,146,023.34
  5. Step 5: Solve for x
    x = 4,292,146,023.34/93,706.90
  6. Step 6: Final answer
    x = 45,803.95

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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.