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Finding the Fourth Proportional to 316,793.04, 474,856.80 and 116,986.08

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Solution

The fourth proportional to 316,793.04, 474,856.80 and 116,986.08 is: 175,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,793.04 : 474,856.80 = 116,986.08 : x
  2. Step 2: Convert to fraction form
    316,793.04/474,856.80 = 116,986.08/x
  3. Step 3: Cross multiply
    316,793.04x = 474,856.80 × 116,986.08
  4. Step 4: Simplify right side
    316,793.04x = 55,551,635,593.34
  5. Step 5: Solve for x
    x = 55,551,635,593.34/316,793.04
  6. Step 6: Final answer
    x = 175,356.24

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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.