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Finding the Fourth Proportional to 164,702.30, 247,050.84 and 52,380.89

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Solution

The fourth proportional to 164,702.30, 247,050.84 and 52,380.89 is: 78,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,702.30 : 247,050.84 = 52,380.89 : x
  2. Step 2: Convert to fraction form
    164,702.30/247,050.84 = 52,380.89/x
  3. Step 3: Cross multiply
    164,702.30x = 247,050.84 × 52,380.89
  4. Step 4: Simplify right side
    164,702.30x = 12,940,742,762.06
  5. Step 5: Solve for x
    x = 12,940,742,762.06/164,702.30
  6. Step 6: Final answer
    x = 78,570.51

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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.