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Finding the Fourth Proportional to 181,811.08, 250,813.15 and 118,125.64

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Solution

The fourth proportional to 181,811.08, 250,813.15 and 118,125.64 is: 162,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,811.08 : 250,813.15 = 118,125.64 : x
  2. Step 2: Convert to fraction form
    181,811.08/250,813.15 = 118,125.64/x
  3. Step 3: Cross multiply
    181,811.08x = 250,813.15 × 118,125.64
  4. Step 4: Simplify right side
    181,811.08x = 29,627,463,864.17
  5. Step 5: Solve for x
    x = 29,627,463,864.17/181,811.08
  6. Step 6: Final answer
    x = 162,957.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.