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Finding the Fourth Proportional to 261,593.36, 360,992.04 and 152,718.56

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Solution

The fourth proportional to 261,593.36, 360,992.04 and 152,718.56 is: 210,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,593.36 : 360,992.04 = 152,718.56 : x
  2. Step 2: Convert to fraction form
    261,593.36/360,992.04 = 152,718.56/x
  3. Step 3: Cross multiply
    261,593.36x = 360,992.04 × 152,718.56
  4. Step 4: Simplify right side
    261,593.36x = 55,130,184,520.26
  5. Step 5: Solve for x
    x = 55,130,184,520.26/261,593.36
  6. Step 6: Final answer
    x = 210,747.64

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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.