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Finding the Fourth Proportional to 291,196.80, 436,900.32 and 101,685.11

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Solution

The fourth proportional to 291,196.80, 436,900.32 and 101,685.11 is: 152,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,196.80 : 436,900.32 = 101,685.11 : x
  2. Step 2: Convert to fraction form
    291,196.80/436,900.32 = 101,685.11/x
  3. Step 3: Cross multiply
    291,196.80x = 436,900.32 × 101,685.11
  4. Step 4: Simplify right side
    291,196.80x = 44,426,254,913.73
  5. Step 5: Solve for x
    x = 44,426,254,913.73/291,196.80
  6. Step 6: Final answer
    x = 152,564.37

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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.