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Finding the Fourth Proportional to 223,903.94, 308,887.47 and 151,283.39

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Solution

The fourth proportional to 223,903.94, 308,887.47 and 151,283.39 is: 208,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,903.94 : 308,887.47 = 151,283.39 : x
  2. Step 2: Convert to fraction form
    223,903.94/308,887.47 = 151,283.39/x
  3. Step 3: Cross multiply
    223,903.94x = 308,887.47 × 151,283.39
  4. Step 4: Simplify right side
    223,903.94x = 46,729,542,045.69
  5. Step 5: Solve for x
    x = 46,729,542,045.69/223,903.94
  6. Step 6: Final answer
    x = 208,703.53

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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.