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Finding the Fourth Proportional to 88,668.60, 133,089.30 and 44,345.40

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Solution

The fourth proportional to 88,668.60, 133,089.30 and 44,345.40 is: 66,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.60 : 133,089.30 = 44,345.40 : x
  2. Step 2: Convert to fraction form
    88,668.60/133,089.30 = 44,345.40/x
  3. Step 3: Cross multiply
    88,668.60x = 133,089.30 × 44,345.40
  4. Step 4: Simplify right side
    88,668.60x = 5,901,898,244.22
  5. Step 5: Solve for x
    x = 5,901,898,244.22/88,668.60
  6. Step 6: Final answer
    x = 66,561.31

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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.