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Finding the Fourth Proportional to 355,653.72, 533,479.97 and 166,050.54

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Solution

The fourth proportional to 355,653.72, 533,479.97 and 166,050.54 is: 249,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,653.72 : 533,479.97 = 166,050.54 : x
  2. Step 2: Convert to fraction form
    355,653.72/533,479.97 = 166,050.54/x
  3. Step 3: Cross multiply
    355,653.72x = 533,479.97 × 166,050.54
  4. Step 4: Simplify right side
    355,653.72x = 88,584,637,097.68
  5. Step 5: Solve for x
    x = 88,584,637,097.68/355,653.72
  6. Step 6: Final answer
    x = 249,075.53

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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.