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Finding the Fourth Proportional to 117,588.17, 176,385.60 and 28,841.60

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Solution

The fourth proportional to 117,588.17, 176,385.60 and 28,841.60 is: 43,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,588.17 : 176,385.60 = 28,841.60 : x
  2. Step 2: Convert to fraction form
    117,588.17/176,385.60 = 28,841.60/x
  3. Step 3: Cross multiply
    117,588.17x = 176,385.60 × 28,841.60
  4. Step 4: Simplify right side
    117,588.17x = 5,087,242,920.96
  5. Step 5: Solve for x
    x = 5,087,242,920.96/117,588.17
  6. Step 6: Final answer
    x = 43,263.22

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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.