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Finding the Fourth Proportional to 291,181.62, 436,877.53 and 101,669.91

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Solution

The fourth proportional to 291,181.62, 436,877.53 and 101,669.91 is: 152,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,181.62 : 436,877.53 = 101,669.91 : x
  2. Step 2: Convert to fraction form
    291,181.62/436,877.53 = 101,669.91/x
  3. Step 3: Cross multiply
    291,181.62x = 436,877.53 × 101,669.91
  4. Step 4: Simplify right side
    291,181.62x = 44,417,299,156.12
  5. Step 5: Solve for x
    x = 44,417,299,156.12/291,181.62
  6. Step 6: Final answer
    x = 152,541.56

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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.