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Finding the Fourth Proportional to 171,443.35, 239,430.20 and 171,443.35

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Solution

The fourth proportional to 171,443.35, 239,430.20 and 171,443.35 is: 239,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,443.35 : 239,430.20 = 171,443.35 : x
  2. Step 2: Convert to fraction form
    171,443.35/239,430.20 = 171,443.35/x
  3. Step 3: Cross multiply
    171,443.35x = 239,430.20 × 171,443.35
  4. Step 4: Simplify right side
    171,443.35x = 41,048,715,579.17
  5. Step 5: Solve for x
    x = 41,048,715,579.17/171,443.35
  6. Step 6: Final answer
    x = 239,430.20

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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.