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Finding the Fourth Proportional to 181,563.32, 250,563.38 and 99,894.93

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Solution

The fourth proportional to 181,563.32, 250,563.38 and 99,894.93 is: 137,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,563.32 : 250,563.38 = 99,894.93 : x
  2. Step 2: Convert to fraction form
    181,563.32/250,563.38 = 99,894.93/x
  3. Step 3: Cross multiply
    181,563.32x = 250,563.38 × 99,894.93
  4. Step 4: Simplify right side
    181,563.32x = 25,030,010,806.19
  5. Step 5: Solve for x
    x = 25,030,010,806.19/181,563.32
  6. Step 6: Final answer
    x = 137,858.30

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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.