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Finding the Fourth Proportional to 109,762.94, 151,472.34 and 59,461.94

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Solution

The fourth proportional to 109,762.94, 151,472.34 and 59,461.94 is: 82,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,762.94 : 151,472.34 = 59,461.94 : x
  2. Step 2: Convert to fraction form
    109,762.94/151,472.34 = 59,461.94/x
  3. Step 3: Cross multiply
    109,762.94x = 151,472.34 × 59,461.94
  4. Step 4: Simplify right side
    109,762.94x = 9,006,839,192.74
  5. Step 5: Solve for x
    x = 9,006,839,192.74/109,762.94
  6. Step 6: Final answer
    x = 82,057.20

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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.