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Finding the Fourth Proportional to 316,700.44, 475,094.40 and 106,398.52

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Solution

The fourth proportional to 316,700.44, 475,094.40 and 106,398.52 is: 159,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,700.44 : 475,094.40 = 106,398.52 : x
  2. Step 2: Convert to fraction form
    316,700.44/475,094.40 = 106,398.52/x
  3. Step 3: Cross multiply
    316,700.44x = 475,094.40 × 106,398.52
  4. Step 4: Simplify right side
    316,700.44x = 50,549,341,020.29
  5. Step 5: Solve for x
    x = 50,549,341,020.29/316,700.44
  6. Step 6: Final answer
    x = 159,612.47

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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.