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Finding the Fourth Proportional to 93,392.22, 139,359.92 and 83,327.78

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Solution

The fourth proportional to 93,392.22, 139,359.92 and 83,327.78 is: 124,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,392.22 : 139,359.92 = 83,327.78 : x
  2. Step 2: Convert to fraction form
    93,392.22/139,359.92 = 83,327.78/x
  3. Step 3: Cross multiply
    93,392.22x = 139,359.92 × 83,327.78
  4. Step 4: Simplify right side
    93,392.22x = 11,612,552,754.58
  5. Step 5: Solve for x
    x = 11,612,552,754.58/93,392.22
  6. Step 6: Final answer
    x = 124,341.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.