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Finding the Fourth Proportional to 269,702.97, 404,561.74 and 70,018.93

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Solution

The fourth proportional to 269,702.97, 404,561.74 and 70,018.93 is: 105,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,702.97 : 404,561.74 = 70,018.93 : x
  2. Step 2: Convert to fraction form
    269,702.97/404,561.74 = 70,018.93/x
  3. Step 3: Cross multiply
    269,702.97x = 404,561.74 × 70,018.93
  4. Step 4: Simplify right side
    269,702.97x = 28,326,980,153.74
  5. Step 5: Solve for x
    x = 28,326,980,153.74/269,702.97
  6. Step 6: Final answer
    x = 105,030.29

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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.