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Finding the Fourth Proportional to 163,319.20, 244,978.80 and 52,522.40

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Solution

The fourth proportional to 163,319.20, 244,978.80 and 52,522.40 is: 78,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,319.20 : 244,978.80 = 52,522.40 : x
  2. Step 2: Convert to fraction form
    163,319.20/244,978.80 = 52,522.40/x
  3. Step 3: Cross multiply
    163,319.20x = 244,978.80 × 52,522.40
  4. Step 4: Simplify right side
    163,319.20x = 12,866,874,525.12
  5. Step 5: Solve for x
    x = 12,866,874,525.12/163,319.20
  6. Step 6: Final answer
    x = 78,783.60

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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.