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Finding the Fourth Proportional to 254,807.36, 351,646.08 and 141,632

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Solution

The fourth proportional to 254,807.36, 351,646.08 and 141,632 is: 195,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,807.36 : 351,646.08 = 141,632 : x
  2. Step 2: Convert to fraction form
    254,807.36/351,646.08 = 141,632/x
  3. Step 3: Cross multiply
    254,807.36x = 351,646.08 × 141,632
  4. Step 4: Simplify right side
    254,807.36x = 49,804,337,602.56
  5. Step 5: Solve for x
    x = 49,804,337,602.56/254,807.36
  6. Step 6: Final answer
    x = 195,458.79

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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.