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Finding the Fourth Proportional to 290,682.03, 436,032.76 and 101,158.31

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Solution

The fourth proportional to 290,682.03, 436,032.76 and 101,158.31 is: 151,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,682.03 : 436,032.76 = 101,158.31 : x
  2. Step 2: Convert to fraction form
    290,682.03/436,032.76 = 101,158.31/x
  3. Step 3: Cross multiply
    290,682.03x = 436,032.76 × 101,158.31
  4. Step 4: Simplify right side
    290,682.03x = 44,108,334,926.07
  5. Step 5: Solve for x
    x = 44,108,334,926.07/290,682.03
  6. Step 6: Final answer
    x = 151,740.84

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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.