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Finding the Fourth Proportional to 202,699.94, 279,724.02 and 112,058.24

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Solution

The fourth proportional to 202,699.94, 279,724.02 and 112,058.24 is: 154,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,699.94 : 279,724.02 = 112,058.24 : x
  2. Step 2: Convert to fraction form
    202,699.94/279,724.02 = 112,058.24/x
  3. Step 3: Cross multiply
    202,699.94x = 279,724.02 × 112,058.24
  4. Step 4: Simplify right side
    202,699.94x = 31,345,381,366.92
  5. Step 5: Solve for x
    x = 31,345,381,366.92/202,699.94
  6. Step 6: Final answer
    x = 154,639.32

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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.