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Finding the Fourth Proportional to 265,771.58, 398,820.13 and 105,924.20

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Solution

The fourth proportional to 265,771.58, 398,820.13 and 105,924.20 is: 158,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,771.58 : 398,820.13 = 105,924.20 : x
  2. Step 2: Convert to fraction form
    265,771.58/398,820.13 = 105,924.20/x
  3. Step 3: Cross multiply
    265,771.58x = 398,820.13 × 105,924.20
  4. Step 4: Simplify right side
    265,771.58x = 42,244,700,955.23
  5. Step 5: Solve for x
    x = 42,244,700,955.23/265,771.58
  6. Step 6: Final answer
    x = 158,951.16

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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.