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Finding the Fourth Proportional to 350,009.91, 525,091.42 and 113,376.51

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Solution

The fourth proportional to 350,009.91, 525,091.42 and 113,376.51 is: 170,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,009.91 : 525,091.42 = 113,376.51 : x
  2. Step 2: Convert to fraction form
    350,009.91/525,091.42 = 113,376.51/x
  3. Step 3: Cross multiply
    350,009.91x = 525,091.42 × 113,376.51
  4. Step 4: Simplify right side
    350,009.91x = 59,533,032,630.54
  5. Step 5: Solve for x
    x = 59,533,032,630.54/350,009.91
  6. Step 6: Final answer
    x = 170,089.56

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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.