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Finding the Fourth Proportional to 340,681.80, 511,022.70 and 104,024.10

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Solution

The fourth proportional to 340,681.80, 511,022.70 and 104,024.10 is: 156,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,681.80 : 511,022.70 = 104,024.10 : x
  2. Step 2: Convert to fraction form
    340,681.80/511,022.70 = 104,024.10/x
  3. Step 3: Cross multiply
    340,681.80x = 511,022.70 × 104,024.10
  4. Step 4: Simplify right side
    340,681.80x = 53,158,676,447.07
  5. Step 5: Solve for x
    x = 53,158,676,447.07/340,681.80
  6. Step 6: Final answer
    x = 156,036.15

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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.