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Finding the Fourth Proportional to 93,066.54, 128,363.09 and 59,045.73

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Solution

The fourth proportional to 93,066.54, 128,363.09 and 59,045.73 is: 81,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,066.54 : 128,363.09 = 59,045.73 : x
  2. Step 2: Convert to fraction form
    93,066.54/128,363.09 = 59,045.73/x
  3. Step 3: Cross multiply
    93,066.54x = 128,363.09 × 59,045.73
  4. Step 4: Simplify right side
    93,066.54x = 7,579,292,058.88
  5. Step 5: Solve for x
    x = 7,579,292,058.88/93,066.54
  6. Step 6: Final answer
    x = 81,439.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.