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Finding the Fourth Proportional to 291,281.82, 436,922.55 and 166,535.34

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Solution

The fourth proportional to 291,281.82, 436,922.55 and 166,535.34 is: 249,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,281.82 : 436,922.55 = 166,535.34 : x
  2. Step 2: Convert to fraction form
    291,281.82/436,922.55 = 166,535.34/x
  3. Step 3: Cross multiply
    291,281.82x = 436,922.55 × 166,535.34
  4. Step 4: Simplify right side
    291,281.82x = 72,763,045,417.92
  5. Step 5: Solve for x
    x = 72,763,045,417.92/291,281.82
  6. Step 6: Final answer
    x = 249,802.91

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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.