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Finding the Fourth Proportional to 93,519.96, 128,986.11 and 59,533.98

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Solution

The fourth proportional to 93,519.96, 128,986.11 and 59,533.98 is: 82,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.96 : 128,986.11 = 59,533.98 : x
  2. Step 2: Convert to fraction form
    93,519.96/128,986.11 = 59,533.98/x
  3. Step 3: Cross multiply
    93,519.96x = 128,986.11 × 59,533.98
  4. Step 4: Simplify right side
    93,519.96x = 7,679,056,493.02
  5. Step 5: Solve for x
    x = 7,679,056,493.02/93,519.96
  6. Step 6: Final answer
    x = 82,111.42

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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.