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Finding the Fourth Proportional to 265,840.90, 366,653.11 and 170,356.48

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Solution

The fourth proportional to 265,840.90, 366,653.11 and 170,356.48 is: 234,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,840.90 : 366,653.11 = 170,356.48 : x
  2. Step 2: Convert to fraction form
    265,840.90/366,653.11 = 170,356.48/x
  3. Step 3: Cross multiply
    265,840.90x = 366,653.11 × 170,356.48
  4. Step 4: Simplify right side
    265,840.90x = 62,461,733,200.65
  5. Step 5: Solve for x
    x = 62,461,733,200.65/265,840.90
  6. Step 6: Final answer
    x = 234,959.08

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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.