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Finding the Fourth Proportional to 170,996.76, 235,971.40 and 93,468.92

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Solution

The fourth proportional to 170,996.76, 235,971.40 and 93,468.92 is: 128,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,996.76 : 235,971.40 = 93,468.92 : x
  2. Step 2: Convert to fraction form
    170,996.76/235,971.40 = 93,468.92/x
  3. Step 3: Cross multiply
    170,996.76x = 235,971.40 × 93,468.92
  4. Step 4: Simplify right side
    170,996.76x = 22,055,991,908.89
  5. Step 5: Solve for x
    x = 22,055,991,908.89/170,996.76
  6. Step 6: Final answer
    x = 128,984.85

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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.