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Finding the Fourth Proportional to 224,343.60, 336,508.12 and 91,188.12

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Solution

The fourth proportional to 224,343.60, 336,508.12 and 91,188.12 is: 136,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,343.60 : 336,508.12 = 91,188.12 : x
  2. Step 2: Convert to fraction form
    224,343.60/336,508.12 = 91,188.12/x
  3. Step 3: Cross multiply
    224,343.60x = 336,508.12 × 91,188.12
  4. Step 4: Simplify right side
    224,343.60x = 30,685,542,827.53
  5. Step 5: Solve for x
    x = 30,685,542,827.53/224,343.60
  6. Step 6: Final answer
    x = 136,779.22

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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.