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Finding the Fourth Proportional to 223,212.70, 334,819.05 and 57,000.70

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Solution

The fourth proportional to 223,212.70, 334,819.05 and 57,000.70 is: 85,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,212.70 : 334,819.05 = 57,000.70 : x
  2. Step 2: Convert to fraction form
    223,212.70/334,819.05 = 57,000.70/x
  3. Step 3: Cross multiply
    223,212.70x = 334,819.05 × 57,000.70
  4. Step 4: Simplify right side
    223,212.70x = 19,084,920,223.34
  5. Step 5: Solve for x
    x = 19,084,920,223.34/223,212.70
  6. Step 6: Final answer
    x = 85,501.05

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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.