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Finding the Fourth Proportional to 316,467.74, 474,701.13 and 94,851.74

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Solution

The fourth proportional to 316,467.74, 474,701.13 and 94,851.74 is: 142,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,467.74 : 474,701.13 = 94,851.74 : x
  2. Step 2: Convert to fraction form
    316,467.74/474,701.13 = 94,851.74/x
  3. Step 3: Cross multiply
    316,467.74x = 474,701.13 × 94,851.74
  4. Step 4: Simplify right side
    316,467.74x = 45,026,228,160.47
  5. Step 5: Solve for x
    x = 45,026,228,160.47/316,467.74
  6. Step 6: Final answer
    x = 142,277.47

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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.