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Finding the Fourth Proportional to 291,179.04, 435,957.52 and 148,715.84

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Solution

The fourth proportional to 291,179.04, 435,957.52 and 148,715.84 is: 222,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,179.04 : 435,957.52 = 148,715.84 : x
  2. Step 2: Convert to fraction form
    291,179.04/435,957.52 = 148,715.84/x
  3. Step 3: Cross multiply
    291,179.04x = 435,957.52 × 148,715.84
  4. Step 4: Simplify right side
    291,179.04x = 64,833,788,791.12
  5. Step 5: Solve for x
    x = 64,833,788,791.12/291,179.04
  6. Step 6: Final answer
    x = 222,659.53

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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.