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Finding the Fourth Proportional to 340,437.56, 510,546.56 and 112,690.68

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Solution

The fourth proportional to 340,437.56, 510,546.56 and 112,690.68 is: 168,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,437.56 : 510,546.56 = 112,690.68 : x
  2. Step 2: Convert to fraction form
    340,437.56/510,546.56 = 112,690.68/x
  3. Step 3: Cross multiply
    340,437.56x = 510,546.56 × 112,690.68
  4. Step 4: Simplify right side
    340,437.56x = 57,533,839,018.06
  5. Step 5: Solve for x
    x = 57,533,839,018.06/340,437.56
  6. Step 6: Final answer
    x = 168,999.68

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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.