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Finding the Fourth Proportional to 93,516.60, 140,274.90 and 76,895.40

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Solution

The fourth proportional to 93,516.60, 140,274.90 and 76,895.40 is: 115,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,516.60 : 140,274.90 = 76,895.40 : x
  2. Step 2: Convert to fraction form
    93,516.60/140,274.90 = 76,895.40/x
  3. Step 3: Cross multiply
    93,516.60x = 140,274.90 × 76,895.40
  4. Step 4: Simplify right side
    93,516.60x = 10,786,494,545.46
  5. Step 5: Solve for x
    x = 10,786,494,545.46/93,516.60
  6. Step 6: Final answer
    x = 115,343.10

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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.