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Finding the Fourth Proportional to 93,218.96, 129,535.82 and 92,259.92

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Solution

The fourth proportional to 93,218.96, 129,535.82 and 92,259.92 is: 128,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,218.96 : 129,535.82 = 92,259.92 : x
  2. Step 2: Convert to fraction form
    93,218.96/129,535.82 = 92,259.92/x
  3. Step 3: Cross multiply
    93,218.96x = 129,535.82 × 92,259.92
  4. Step 4: Simplify right side
    93,218.96x = 11,950,964,390.33
  5. Step 5: Solve for x
    x = 11,950,964,390.33/93,218.96
  6. Step 6: Final answer
    x = 128,203.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.