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Finding the Fourth Proportional to 557,681.90, 836,525.64 and 136,957.82

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Solution

The fourth proportional to 557,681.90, 836,525.64 and 136,957.82 is: 205,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,681.90 : 836,525.64 = 136,957.82 : x
  2. Step 2: Convert to fraction form
    557,681.90/836,525.64 = 136,957.82/x
  3. Step 3: Cross multiply
    557,681.90x = 836,525.64 × 136,957.82
  4. Step 4: Simplify right side
    557,681.90x = 114,568,728,028.51
  5. Step 5: Solve for x
    x = 114,568,728,028.51/557,681.90
  6. Step 6: Final answer
    x = 205,437.42

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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.