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Finding the Fourth Proportional to 254,483.51, 381,725.02 and 64,943.89

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Solution

The fourth proportional to 254,483.51, 381,725.02 and 64,943.89 is: 97,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,483.51 : 381,725.02 = 64,943.89 : x
  2. Step 2: Convert to fraction form
    254,483.51/381,725.02 = 64,943.89/x
  3. Step 3: Cross multiply
    254,483.51x = 381,725.02 × 64,943.89
  4. Step 4: Simplify right side
    254,483.51x = 24,790,707,709.13
  5. Step 5: Solve for x
    x = 24,790,707,709.13/254,483.51
  6. Step 6: Final answer
    x = 97,415.77

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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.