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Finding the Fourth Proportional to 223,595.36, 308,533.54 and 151,155.82

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Solution

The fourth proportional to 223,595.36, 308,533.54 and 151,155.82 is: 208,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,595.36 : 308,533.54 = 151,155.82 : x
  2. Step 2: Convert to fraction form
    223,595.36/308,533.54 = 151,155.82/x
  3. Step 3: Cross multiply
    223,595.36x = 308,533.54 × 151,155.82
  4. Step 4: Simplify right side
    223,595.36x = 46,636,640,236.20
  5. Step 5: Solve for x
    x = 46,636,640,236.20/223,595.36
  6. Step 6: Final answer
    x = 208,576.06

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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.