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Finding the Fourth Proportional to 154,980.64, 232,509.96 and 44,172.64

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Solution

The fourth proportional to 154,980.64, 232,509.96 and 44,172.64 is: 66,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,980.64 : 232,509.96 = 44,172.64 : x
  2. Step 2: Convert to fraction form
    154,980.64/232,509.96 = 44,172.64/x
  3. Step 3: Cross multiply
    154,980.64x = 232,509.96 × 44,172.64
  4. Step 4: Simplify right side
    154,980.64x = 10,270,578,759.49
  5. Step 5: Solve for x
    x = 10,270,578,759.49/154,980.64
  6. Step 6: Final answer
    x = 66,270.08

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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.