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Finding the Fourth Proportional to 341,159.07, 511,519.64 and 141,617.19

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Solution

The fourth proportional to 341,159.07, 511,519.64 and 141,617.19 is: 212,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,159.07 : 511,519.64 = 141,617.19 : x
  2. Step 2: Convert to fraction form
    341,159.07/511,519.64 = 141,617.19/x
  3. Step 3: Cross multiply
    341,159.07x = 511,519.64 × 141,617.19
  4. Step 4: Simplify right side
    341,159.07x = 72,439,973,338.53
  5. Step 5: Solve for x
    x = 72,439,973,338.53/341,159.07
  6. Step 6: Final answer
    x = 212,334.89

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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.