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Finding the Fourth Proportional to 119,192.94, 164,631.96 and 89,111.97

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Solution

The fourth proportional to 119,192.94, 164,631.96 and 89,111.97 is: 123,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,192.94 : 164,631.96 = 89,111.97 : x
  2. Step 2: Convert to fraction form
    119,192.94/164,631.96 = 89,111.97/x
  3. Step 3: Cross multiply
    119,192.94x = 164,631.96 × 89,111.97
  4. Step 4: Simplify right side
    119,192.94x = 14,670,678,280.56
  5. Step 5: Solve for x
    x = 14,670,678,280.56/119,192.94
  6. Step 6: Final answer
    x = 123,083.45

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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.