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Finding the Fourth Proportional to 93,017.68, 139,501.92 and 40,414.88

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Solution

The fourth proportional to 93,017.68, 139,501.92 and 40,414.88 is: 60,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,017.68 : 139,501.92 = 40,414.88 : x
  2. Step 2: Convert to fraction form
    93,017.68/139,501.92 = 40,414.88/x
  3. Step 3: Cross multiply
    93,017.68x = 139,501.92 × 40,414.88
  4. Step 4: Simplify right side
    93,017.68x = 5,637,953,356.57
  5. Step 5: Solve for x
    x = 5,637,953,356.57/93,017.68
  6. Step 6: Final answer
    x = 60,611.63

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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.