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Finding the Fourth Proportional to 224,595.18, 336,799.22 and 91,385.01

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Solution

The fourth proportional to 224,595.18, 336,799.22 and 91,385.01 is: 137,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,595.18 : 336,799.22 = 91,385.01 : x
  2. Step 2: Convert to fraction form
    224,595.18/336,799.22 = 91,385.01/x
  3. Step 3: Cross multiply
    224,595.18x = 336,799.22 × 91,385.01
  4. Step 4: Simplify right side
    224,595.18x = 30,778,399,630.77
  5. Step 5: Solve for x
    x = 30,778,399,630.77/224,595.18
  6. Step 6: Final answer
    x = 137,039.45

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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.