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Finding the Fourth Proportional to 316,417.80, 474,626.70 and 94,801.80

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Solution

The fourth proportional to 316,417.80, 474,626.70 and 94,801.80 is: 142,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,417.80 : 474,626.70 = 94,801.80 : x
  2. Step 2: Convert to fraction form
    316,417.80/474,626.70 = 94,801.80/x
  3. Step 3: Cross multiply
    316,417.80x = 474,626.70 × 94,801.80
  4. Step 4: Simplify right side
    316,417.80x = 44,995,465,488.06
  5. Step 5: Solve for x
    x = 44,995,465,488.06/316,417.80
  6. Step 6: Final answer
    x = 142,202.70

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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.