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Finding the Fourth Proportional to 223,905.08, 309,050.70 and 152,404.76

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Solution

The fourth proportional to 223,905.08, 309,050.70 and 152,404.76 is: 210,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,905.08 : 309,050.70 = 152,404.76 : x
  2. Step 2: Convert to fraction form
    223,905.08/309,050.70 = 152,404.76/x
  3. Step 3: Cross multiply
    223,905.08x = 309,050.70 × 152,404.76
  4. Step 4: Simplify right side
    223,905.08x = 47,100,797,761.33
  5. Step 5: Solve for x
    x = 47,100,797,761.33/223,905.08
  6. Step 6: Final answer
    x = 210,360.56

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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.