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Finding the Fourth Proportional to 163,307.50, 244,961.25 and 52,499.50

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Solution

The fourth proportional to 163,307.50, 244,961.25 and 52,499.50 is: 78,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,307.50 : 244,961.25 = 52,499.50 : x
  2. Step 2: Convert to fraction form
    163,307.50/244,961.25 = 52,499.50/x
  3. Step 3: Cross multiply
    163,307.50x = 244,961.25 × 52,499.50
  4. Step 4: Simplify right side
    163,307.50x = 12,860,343,144.38
  5. Step 5: Solve for x
    x = 12,860,343,144.38/163,307.50
  6. Step 6: Final answer
    x = 78,749.25

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1.5x scale

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.