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Finding the Fourth Proportional to 152,802.60, 229,301.10 and 89,622.60

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Solution

The fourth proportional to 152,802.60, 229,301.10 and 89,622.60 is: 134,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,802.60 : 229,301.10 = 89,622.60 : x
  2. Step 2: Convert to fraction form
    152,802.60/229,301.10 = 89,622.60/x
  3. Step 3: Cross multiply
    152,802.60x = 229,301.10 × 89,622.60
  4. Step 4: Simplify right side
    152,802.60x = 20,550,560,764.86
  5. Step 5: Solve for x
    x = 20,550,560,764.86/152,802.60
  6. Step 6: Final answer
    x = 134,490.91

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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.