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Finding the Fourth Proportional to 222,820.64, 307,492.99 and 127,327.11

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Solution

The fourth proportional to 222,820.64, 307,492.99 and 127,327.11 is: 175,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,820.64 : 307,492.99 = 127,327.11 : x
  2. Step 2: Convert to fraction form
    222,820.64/307,492.99 = 127,327.11/x
  3. Step 3: Cross multiply
    222,820.64x = 307,492.99 × 127,327.11
  4. Step 4: Simplify right side
    222,820.64x = 39,152,193,761.96
  5. Step 5: Solve for x
    x = 39,152,193,761.96/222,820.64
  6. Step 6: Final answer
    x = 175,711.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.