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Finding the Fourth Proportional to 171,444.35, 239,431.60 and 171,444.35

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Solution

The fourth proportional to 171,444.35, 239,431.60 and 171,444.35 is: 239,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,444.35 : 239,431.60 = 171,444.35 : x
  2. Step 2: Convert to fraction form
    171,444.35/239,431.60 = 171,444.35/x
  3. Step 3: Cross multiply
    171,444.35x = 239,431.60 × 171,444.35
  4. Step 4: Simplify right side
    171,444.35x = 41,049,195,031.46
  5. Step 5: Solve for x
    x = 41,049,195,031.46/171,444.35
  6. Step 6: Final answer
    x = 239,431.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.