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Finding the Fourth Proportional to 307,956.60, 461,675.70 and 160,212.60

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Solution

The fourth proportional to 307,956.60, 461,675.70 and 160,212.60 is: 240,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,956.60 : 461,675.70 = 160,212.60 : x
  2. Step 2: Convert to fraction form
    307,956.60/461,675.70 = 160,212.60/x
  3. Step 3: Cross multiply
    307,956.60x = 461,675.70 × 160,212.60
  4. Step 4: Simplify right side
    307,956.60x = 73,966,264,253.82
  5. Step 5: Solve for x
    x = 73,966,264,253.82/307,956.60
  6. Step 6: Final answer
    x = 240,184.05

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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.