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Finding the Fourth Proportional to 163,323.50, 244,985.26 and 52,515.50

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Solution

The fourth proportional to 163,323.50, 244,985.26 and 52,515.50 is: 78,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,323.50 : 244,985.26 = 52,515.50 : x
  2. Step 2: Convert to fraction form
    163,323.50/244,985.26 = 52,515.50/x
  3. Step 3: Cross multiply
    163,323.50x = 244,985.26 × 52,515.50
  4. Step 4: Simplify right side
    163,323.50x = 12,865,523,421.53
  5. Step 5: Solve for x
    x = 12,865,523,421.53/163,323.50
  6. Step 6: Final answer
    x = 78,773.25

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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.