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Finding the Fourth Proportional to 341,461.01, 512,071.25 and 113,694.78

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Solution

The fourth proportional to 341,461.01, 512,071.25 and 113,694.78 is: 170,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,461.01 : 512,071.25 = 113,694.78 : x
  2. Step 2: Convert to fraction form
    341,461.01/512,071.25 = 113,694.78/x
  3. Step 3: Cross multiply
    341,461.01x = 512,071.25 × 113,694.78
  4. Step 4: Simplify right side
    341,461.01x = 58,219,827,544.60
  5. Step 5: Solve for x
    x = 58,219,827,544.60/341,461.01
  6. Step 6: Final answer
    x = 170,502.13

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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.