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Finding the Fourth Proportional to 265,223.65, 366,016.53 and 163,307.92

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Solution

The fourth proportional to 265,223.65, 366,016.53 and 163,307.92 is: 225,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,223.65 : 366,016.53 = 163,307.92 : x
  2. Step 2: Convert to fraction form
    265,223.65/366,016.53 = 163,307.92/x
  3. Step 3: Cross multiply
    265,223.65x = 366,016.53 × 163,307.92
  4. Step 4: Simplify right side
    265,223.65x = 59,773,398,199.92
  5. Step 5: Solve for x
    x = 59,773,398,199.92/265,223.65
  6. Step 6: Final answer
    x = 225,369.79

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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.