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Finding the Fourth Proportional to 202,359.65, 279,279.93 and 168,308.06

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Solution

The fourth proportional to 202,359.65, 279,279.93 and 168,308.06 is: 232,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,359.65 : 279,279.93 = 168,308.06 : x
  2. Step 2: Convert to fraction form
    202,359.65/279,279.93 = 168,308.06/x
  3. Step 3: Cross multiply
    202,359.65x = 279,279.93 × 168,308.06
  4. Step 4: Simplify right side
    202,359.65x = 47,005,061,818.84
  5. Step 5: Solve for x
    x = 47,005,061,818.84/202,359.65
  6. Step 6: Final answer
    x = 232,284.76

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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.