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Finding the Fourth Proportional to 202,907.52, 304,390.40 and 62,678.40

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Solution

The fourth proportional to 202,907.52, 304,390.40 and 62,678.40 is: 94,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,907.52 : 304,390.40 = 62,678.40 : x
  2. Step 2: Convert to fraction form
    202,907.52/304,390.40 = 62,678.40/x
  3. Step 3: Cross multiply
    202,907.52x = 304,390.40 × 62,678.40
  4. Step 4: Simplify right side
    202,907.52x = 19,078,703,247.36
  5. Step 5: Solve for x
    x = 19,078,703,247.36/202,907.52
  6. Step 6: Final answer
    x = 94,026.60

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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.