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Finding the Fourth Proportional to 171,805.05, 257,707.58 and 93,073.05

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Solution

The fourth proportional to 171,805.05, 257,707.58 and 93,073.05 is: 139,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,805.05 : 257,707.58 = 93,073.05 : x
  2. Step 2: Convert to fraction form
    171,805.05/257,707.58 = 93,073.05/x
  3. Step 3: Cross multiply
    171,805.05x = 257,707.58 × 93,073.05
  4. Step 4: Simplify right side
    171,805.05x = 23,985,630,013.35
  5. Step 5: Solve for x
    x = 23,985,630,013.35/171,805.05
  6. Step 6: Final answer
    x = 139,609.58

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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.