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Finding the Fourth Proportional to 165,492.95, 248,239.94 and 45,551.50

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Solution

The fourth proportional to 165,492.95, 248,239.94 and 45,551.50 is: 68,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,492.95 : 248,239.94 = 45,551.50 : x
  2. Step 2: Convert to fraction form
    165,492.95/248,239.94 = 45,551.50/x
  3. Step 3: Cross multiply
    165,492.95x = 248,239.94 × 45,551.50
  4. Step 4: Simplify right side
    165,492.95x = 11,307,700,778.55
  5. Step 5: Solve for x
    x = 11,307,700,778.55/165,492.95
  6. Step 6: Final answer
    x = 68,327.39

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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.