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Finding the Fourth Proportional to 333,007.74, 499,543.16 and 93,121.63

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Solution

The fourth proportional to 333,007.74, 499,543.16 and 93,121.63 is: 139,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,007.74 : 499,543.16 = 93,121.63 : x
  2. Step 2: Convert to fraction form
    333,007.74/499,543.16 = 93,121.63/x
  3. Step 3: Cross multiply
    333,007.74x = 499,543.16 × 93,121.63
  4. Step 4: Simplify right side
    333,007.74x = 46,518,271,600.08
  5. Step 5: Solve for x
    x = 46,518,271,600.08/333,007.74
  6. Step 6: Final answer
    x = 139,691.26

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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.