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Finding the Fourth Proportional to 202,690.59, 304,043.12 and 69,569.93

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Solution

The fourth proportional to 202,690.59, 304,043.12 and 69,569.93 is: 104,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,690.59 : 304,043.12 = 69,569.93 : x
  2. Step 2: Convert to fraction form
    202,690.59/304,043.12 = 69,569.93/x
  3. Step 3: Cross multiply
    202,690.59x = 304,043.12 × 69,569.93
  4. Step 4: Simplify right side
    202,690.59x = 21,152,256,707.32
  5. Step 5: Solve for x
    x = 21,152,256,707.32/202,690.59
  6. Step 6: Final answer
    x = 104,357.37

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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.