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Finding the Fourth Proportional to 316,734.59, 475,003.53 and 114,304.38

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Solution

The fourth proportional to 316,734.59, 475,003.53 and 114,304.38 is: 171,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,734.59 : 475,003.53 = 114,304.38 : x
  2. Step 2: Convert to fraction form
    316,734.59/475,003.53 = 114,304.38/x
  3. Step 3: Cross multiply
    316,734.59x = 475,003.53 × 114,304.38
  4. Step 4: Simplify right side
    316,734.59x = 54,294,983,994.46
  5. Step 5: Solve for x
    x = 54,294,983,994.46/316,734.59
  6. Step 6: Final answer
    x = 171,421.08

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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.