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Finding the Fourth Proportional to 333,031.72, 499,579.04 and 93,145.54

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Solution

The fourth proportional to 333,031.72, 499,579.04 and 93,145.54 is: 139,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,031.72 : 499,579.04 = 93,145.54 : x
  2. Step 2: Convert to fraction form
    333,031.72/499,579.04 = 93,145.54/x
  3. Step 3: Cross multiply
    333,031.72x = 499,579.04 × 93,145.54
  4. Step 4: Simplify right side
    333,031.72x = 46,533,559,453.48
  5. Step 5: Solve for x
    x = 46,533,559,453.48/333,031.72
  6. Step 6: Final answer
    x = 139,727.11

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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.