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Finding the Fourth Proportional to 316,359.90, 474,401.61 and 94,692.06

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Solution

The fourth proportional to 316,359.90, 474,401.61 and 94,692.06 is: 141,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,359.90 : 474,401.61 = 94,692.06 : x
  2. Step 2: Convert to fraction form
    316,359.90/474,401.61 = 94,692.06/x
  3. Step 3: Cross multiply
    316,359.90x = 474,401.61 × 94,692.06
  4. Step 4: Simplify right side
    316,359.90x = 44,922,065,718.22
  5. Step 5: Solve for x
    x = 44,922,065,718.22/316,359.90
  6. Step 6: Final answer
    x = 141,996.71

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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.