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Finding the Fourth Proportional to 265,890.64, 366,920.40 and 151,162.24

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Solution

The fourth proportional to 265,890.64, 366,920.40 and 151,162.24 is: 208,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890.64 : 366,920.40 = 151,162.24 : x
  2. Step 2: Convert to fraction form
    265,890.64/366,920.40 = 151,162.24/x
  3. Step 3: Cross multiply
    265,890.64x = 366,920.40 × 151,162.24
  4. Step 4: Simplify right side
    265,890.64x = 55,464,509,565.70
  5. Step 5: Solve for x
    x = 55,464,509,565.70/265,890.64
  6. Step 6: Final answer
    x = 208,598.95

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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.