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Finding the Fourth Proportional to 200,615.52, 300,845.52 and 107,070.24

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Solution

The fourth proportional to 200,615.52, 300,845.52 and 107,070.24 is: 160,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,615.52 : 300,845.52 = 107,070.24 : x
  2. Step 2: Convert to fraction form
    200,615.52/300,845.52 = 107,070.24/x
  3. Step 3: Cross multiply
    200,615.52x = 300,845.52 × 107,070.24
  4. Step 4: Simplify right side
    200,615.52x = 32,211,602,029.32
  5. Step 5: Solve for x
    x = 32,211,602,029.32/200,615.52
  6. Step 6: Final answer
    x = 160,563.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.