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Finding the Fourth Proportional to 155,297.57, 232,951.57 and 42,968.39

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Solution

The fourth proportional to 155,297.57, 232,951.57 and 42,968.39 is: 64,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,297.57 : 232,951.57 = 42,968.39 : x
  2. Step 2: Convert to fraction form
    155,297.57/232,951.57 = 42,968.39/x
  3. Step 3: Cross multiply
    155,297.57x = 232,951.57 × 42,968.39
  4. Step 4: Simplify right side
    155,297.57x = 10,009,553,113.65
  5. Step 5: Solve for x
    x = 10,009,553,113.65/155,297.57
  6. Step 6: Final answer
    x = 64,454.02

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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.