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Finding the Fourth Proportional to 160,657.52, 221,709.81 and 88,059.86

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Solution

The fourth proportional to 160,657.52, 221,709.81 and 88,059.86 is: 121,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,657.52 : 221,709.81 = 88,059.86 : x
  2. Step 2: Convert to fraction form
    160,657.52/221,709.81 = 88,059.86/x
  3. Step 3: Cross multiply
    160,657.52x = 221,709.81 × 88,059.86
  4. Step 4: Simplify right side
    160,657.52x = 19,523,734,829.23
  5. Step 5: Solve for x
    x = 19,523,734,829.23/160,657.52
  6. Step 6: Final answer
    x = 121,523.94

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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.