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Finding the Fourth Proportional to 181,402.65, 250,338.65 and 99,734.35

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Solution

The fourth proportional to 181,402.65, 250,338.65 and 99,734.35 is: 137,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.65 : 250,338.65 = 99,734.35 : x
  2. Step 2: Convert to fraction form
    181,402.65/250,338.65 = 99,734.35/x
  3. Step 3: Cross multiply
    181,402.65x = 250,338.65 × 99,734.35
  4. Step 4: Simplify right side
    181,402.65x = 24,967,362,038.96
  5. Step 5: Solve for x
    x = 24,967,362,038.96/181,402.65
  6. Step 6: Final answer
    x = 137,635.05

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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.