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Finding the Fourth Proportional to 170,425.50, 235,192.05 and 94,978.86

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Solution

The fourth proportional to 170,425.50, 235,192.05 and 94,978.86 is: 131,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,425.50 : 235,192.05 = 94,978.86 : x
  2. Step 2: Convert to fraction form
    170,425.50/235,192.05 = 94,978.86/x
  3. Step 3: Cross multiply
    170,425.50x = 235,192.05 × 94,978.86
  4. Step 4: Simplify right side
    170,425.50x = 22,338,272,790.06
  5. Step 5: Solve for x
    x = 22,338,272,790.06/170,425.50
  6. Step 6: Final answer
    x = 131,073.54

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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.