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Finding the Fourth Proportional to 247,533.50, 341,567.82 and 138,622.64

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Solution

The fourth proportional to 247,533.50, 341,567.82 and 138,622.64 is: 191,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,533.50 : 341,567.82 = 138,622.64 : x
  2. Step 2: Convert to fraction form
    247,533.50/341,567.82 = 138,622.64/x
  3. Step 3: Cross multiply
    247,533.50x = 341,567.82 × 138,622.64
  4. Step 4: Simplify right side
    247,533.50x = 47,349,032,947.44
  5. Step 5: Solve for x
    x = 47,349,032,947.44/247,533.50
  6. Step 6: Final answer
    x = 191,283.33

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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.