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Finding the Fourth Proportional to 202,686.84, 304,037.48 and 69,566.18

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Solution

The fourth proportional to 202,686.84, 304,037.48 and 69,566.18 is: 104,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,686.84 : 304,037.48 = 69,566.18 : x
  2. Step 2: Convert to fraction form
    202,686.84/304,037.48 = 69,566.18/x
  3. Step 3: Cross multiply
    202,686.84x = 304,037.48 × 69,566.18
  4. Step 4: Simplify right side
    202,686.84x = 21,150,724,714.15
  5. Step 5: Solve for x
    x = 21,150,724,714.15/202,686.84
  6. Step 6: Final answer
    x = 104,351.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.