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Finding the Fourth Proportional to 224,533.86, 336,854.61 and 74,775.45

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Solution

The fourth proportional to 224,533.86, 336,854.61 and 74,775.45 is: 112,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,533.86 : 336,854.61 = 74,775.45 : x
  2. Step 2: Convert to fraction form
    224,533.86/336,854.61 = 74,775.45/x
  3. Step 3: Cross multiply
    224,533.86x = 336,854.61 × 74,775.45
  4. Step 4: Simplify right side
    224,533.86x = 25,188,455,047.32
  5. Step 5: Solve for x
    x = 25,188,455,047.32/224,533.86
  6. Step 6: Final answer
    x = 112,181.10

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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.