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Finding the Fourth Proportional to 265,715.52, 366,480.06 and 170,231.10

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Solution

The fourth proportional to 265,715.52, 366,480.06 and 170,231.10 is: 234,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715.52 : 366,480.06 = 170,231.10 : x
  2. Step 2: Convert to fraction form
    265,715.52/366,480.06 = 170,231.10/x
  3. Step 3: Cross multiply
    265,715.52x = 366,480.06 × 170,231.10
  4. Step 4: Simplify right side
    265,715.52x = 62,386,303,741.87
  5. Step 5: Solve for x
    x = 62,386,303,741.87/265,715.52
  6. Step 6: Final answer
    x = 234,786.07

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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.