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Finding the Fourth Proportional to 265,013.02, 365,727.72 and 151,857.64

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Solution

The fourth proportional to 265,013.02, 365,727.72 and 151,857.64 is: 209,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,013.02 : 365,727.72 = 151,857.64 : x
  2. Step 2: Convert to fraction form
    265,013.02/365,727.72 = 151,857.64/x
  3. Step 3: Cross multiply
    265,013.02x = 365,727.72 × 151,857.64
  4. Step 4: Simplify right side
    265,013.02x = 55,538,548,441.78
  5. Step 5: Solve for x
    x = 55,538,548,441.78/265,013.02
  6. Step 6: Final answer
    x = 209,569.13

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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.