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Finding the Fourth Proportional to 340,564.03, 510,840.54 and 116,080.76

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Solution

The fourth proportional to 340,564.03, 510,840.54 and 116,080.76 is: 174,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,564.03 : 510,840.54 = 116,080.76 : x
  2. Step 2: Convert to fraction form
    340,564.03/510,840.54 = 116,080.76/x
  3. Step 3: Cross multiply
    340,564.03x = 510,840.54 × 116,080.76
  4. Step 4: Simplify right side
    340,564.03x = 59,298,759,399.11
  5. Step 5: Solve for x
    x = 59,298,759,399.11/340,564.03
  6. Step 6: Final answer
    x = 174,119.27

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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.