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Finding the Fourth Proportional to 179,461.78, 247,662.46 and 98,894.50

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Solution

The fourth proportional to 179,461.78, 247,662.46 and 98,894.50 is: 136,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,461.78 : 247,662.46 = 98,894.50 : x
  2. Step 2: Convert to fraction form
    179,461.78/247,662.46 = 98,894.50/x
  3. Step 3: Cross multiply
    179,461.78x = 247,662.46 × 98,894.50
  4. Step 4: Simplify right side
    179,461.78x = 24,492,455,150.47
  5. Step 5: Solve for x
    x = 24,492,455,150.47/179,461.78
  6. Step 6: Final answer
    x = 136,477.28

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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.