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Finding the Fourth Proportional to 356,292.51, 534,487.95 and 119,702.85

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Solution

The fourth proportional to 356,292.51, 534,487.95 and 119,702.85 is: 179,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,292.51 : 534,487.95 = 119,702.85 : x
  2. Step 2: Convert to fraction form
    356,292.51/534,487.95 = 119,702.85/x
  3. Step 3: Cross multiply
    356,292.51x = 534,487.95 × 119,702.85
  4. Step 4: Simplify right side
    356,292.51x = 63,979,730,905.66
  5. Step 5: Solve for x
    x = 63,979,730,905.66/356,292.51
  6. Step 6: Final answer
    x = 179,570.80

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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.