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Finding the Fourth Proportional to 202,666.24, 279,664.61 and 112,017.12

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Solution

The fourth proportional to 202,666.24, 279,664.61 and 112,017.12 is: 154,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,666.24 : 279,664.61 = 112,017.12 : x
  2. Step 2: Convert to fraction form
    202,666.24/279,664.61 = 112,017.12/x
  3. Step 3: Cross multiply
    202,666.24x = 279,664.61 × 112,017.12
  4. Step 4: Simplify right side
    202,666.24x = 31,327,224,178.12
  5. Step 5: Solve for x
    x = 31,327,224,178.12/202,666.24
  6. Step 6: Final answer
    x = 154,575.44

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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.