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Finding the Fourth Proportional to 160,999.60, 241,488.60 and 42,668.40

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Solution

The fourth proportional to 160,999.60, 241,488.60 and 42,668.40 is: 63,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,999.60 : 241,488.60 = 42,668.40 : x
  2. Step 2: Convert to fraction form
    160,999.60/241,488.60 = 42,668.40/x
  3. Step 3: Cross multiply
    160,999.60x = 241,488.60 × 42,668.40
  4. Step 4: Simplify right side
    160,999.60x = 10,303,932,180.24
  5. Step 5: Solve for x
    x = 10,303,932,180.24/160,999.60
  6. Step 6: Final answer
    x = 63,999.74

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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.