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Finding the Fourth Proportional to 336,015.95, 504,023.93 and 86,697.95

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Solution

The fourth proportional to 336,015.95, 504,023.93 and 86,697.95 is: 130,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,015.95 : 504,023.93 = 86,697.95 : x
  2. Step 2: Convert to fraction form
    336,015.95/504,023.93 = 86,697.95/x
  3. Step 3: Cross multiply
    336,015.95x = 504,023.93 × 86,697.95
  4. Step 4: Simplify right side
    336,015.95x = 43,697,841,048.45
  5. Step 5: Solve for x
    x = 43,697,841,048.45/336,015.95
  6. Step 6: Final answer
    x = 130,046.93

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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.