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Finding the Fourth Proportional to 117,183.49, 175,775.45 and 42,356.46

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Solution

The fourth proportional to 117,183.49, 175,775.45 and 42,356.46 is: 63,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,183.49 : 175,775.45 = 42,356.46 : x
  2. Step 2: Convert to fraction form
    117,183.49/175,775.45 = 42,356.46/x
  3. Step 3: Cross multiply
    117,183.49x = 175,775.45 × 42,356.46
  4. Step 4: Simplify right side
    117,183.49x = 7,445,225,605.12
  5. Step 5: Solve for x
    x = 7,445,225,605.12/117,183.49
  6. Step 6: Final answer
    x = 63,534.77

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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.