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Finding the Fourth Proportional to 223,899.48, 308,887.02 and 148,316.76

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Solution

The fourth proportional to 223,899.48, 308,887.02 and 148,316.76 is: 204,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,899.48 : 308,887.02 = 148,316.76 : x
  2. Step 2: Convert to fraction form
    223,899.48/308,887.02 = 148,316.76/x
  3. Step 3: Cross multiply
    223,899.48x = 308,887.02 × 148,316.76
  4. Step 4: Simplify right side
    223,899.48x = 45,813,122,012.46
  5. Step 5: Solve for x
    x = 45,813,122,012.46/223,899.48
  6. Step 6: Final answer
    x = 204,614.69

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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.