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Finding the Fourth Proportional to 224,346.70, 309,599.42 and 122,374.35

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Solution

The fourth proportional to 224,346.70, 309,599.42 and 122,374.35 is: 168,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,346.70 : 309,599.42 = 122,374.35 : x
  2. Step 2: Convert to fraction form
    224,346.70/309,599.42 = 122,374.35/x
  3. Step 3: Cross multiply
    224,346.70x = 309,599.42 × 122,374.35
  4. Step 4: Simplify right side
    224,346.70x = 37,887,027,782.88
  5. Step 5: Solve for x
    x = 37,887,027,782.88/224,346.70
  6. Step 6: Final answer
    x = 168,877.13

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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.