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Finding the Fourth Proportional to 114,807.93, 172,290.27 and 39,927.33

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Solution

The fourth proportional to 114,807.93, 172,290.27 and 39,927.33 is: 59,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,807.93 : 172,290.27 = 39,927.33 : x
  2. Step 2: Convert to fraction form
    114,807.93/172,290.27 = 39,927.33/x
  3. Step 3: Cross multiply
    114,807.93x = 172,290.27 × 39,927.33
  4. Step 4: Simplify right side
    114,807.93x = 6,879,090,278.92
  5. Step 5: Solve for x
    x = 6,879,090,278.92/114,807.93
  6. Step 6: Final answer
    x = 59,918.25

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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.