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Finding the Fourth Proportional to 350,111.28, 525,034.08 and 113,390.40

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Solution

The fourth proportional to 350,111.28, 525,034.08 and 113,390.40 is: 170,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,111.28 : 525,034.08 = 113,390.40 : x
  2. Step 2: Convert to fraction form
    350,111.28/525,034.08 = 113,390.40/x
  3. Step 3: Cross multiply
    350,111.28x = 525,034.08 × 113,390.40
  4. Step 4: Simplify right side
    350,111.28x = 59,533,824,344.83
  5. Step 5: Solve for x
    x = 59,533,824,344.83/350,111.28
  6. Step 6: Final answer
    x = 170,042.58

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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.