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Finding the Fourth Proportional to 202,712.94, 279,771.72 and 116,670.18

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Solution

The fourth proportional to 202,712.94, 279,771.72 and 116,670.18 is: 161,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,712.94 : 279,771.72 = 116,670.18 : x
  2. Step 2: Convert to fraction form
    202,712.94/279,771.72 = 116,670.18/x
  3. Step 3: Cross multiply
    202,712.94x = 279,771.72 × 116,670.18
  4. Step 4: Simplify right side
    202,712.94x = 32,641,016,931.31
  5. Step 5: Solve for x
    x = 32,641,016,931.31/202,712.94
  6. Step 6: Final answer
    x = 161,020.88

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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.