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Finding the Fourth Proportional to 333,130.59, 499,462.61 and 122,712.03

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Solution

The fourth proportional to 333,130.59, 499,462.61 and 122,712.03 is: 183,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,130.59 : 499,462.61 = 122,712.03 : x
  2. Step 2: Convert to fraction form
    333,130.59/499,462.61 = 122,712.03/x
  3. Step 3: Cross multiply
    333,130.59x = 499,462.61 × 122,712.03
  4. Step 4: Simplify right side
    333,130.59x = 61,290,070,168.64
  5. Step 5: Solve for x
    x = 61,290,070,168.64/333,130.59
  6. Step 6: Final answer
    x = 183,982.11

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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.