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Finding the Fourth Proportional to 164,702.70, 247,054.05 and 98,108.55

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Solution

The fourth proportional to 164,702.70, 247,054.05 and 98,108.55 is: 147,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,702.70 : 247,054.05 = 98,108.55 : x
  2. Step 2: Convert to fraction form
    164,702.70/247,054.05 = 98,108.55/x
  3. Step 3: Cross multiply
    164,702.70x = 247,054.05 × 98,108.55
  4. Step 4: Simplify right side
    164,702.70x = 24,238,114,617.13
  5. Step 5: Solve for x
    x = 24,238,114,617.13/164,702.70
  6. Step 6: Final answer
    x = 147,162.83

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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.