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Finding the Fourth Proportional to 93,143.72, 139,672.75 and 29,952.18

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Solution

The fourth proportional to 93,143.72, 139,672.75 and 29,952.18 is: 44,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.72 : 139,672.75 = 29,952.18 : x
  2. Step 2: Convert to fraction form
    93,143.72/139,672.75 = 29,952.18/x
  3. Step 3: Cross multiply
    93,143.72x = 139,672.75 × 29,952.18
  4. Step 4: Simplify right side
    93,143.72x = 4,183,503,349.10
  5. Step 5: Solve for x
    x = 4,183,503,349.10/93,143.72
  6. Step 6: Final answer
    x = 44,914.50

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1.5x scale

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.