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Finding the Fourth Proportional to 350,547.56, 525,610.74 and 137,061.13

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Solution

The fourth proportional to 350,547.56, 525,610.74 and 137,061.13 is: 205,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,547.56 : 525,610.74 = 137,061.13 : x
  2. Step 2: Convert to fraction form
    350,547.56/525,610.74 = 137,061.13/x
  3. Step 3: Cross multiply
    350,547.56x = 525,610.74 × 137,061.13
  4. Step 4: Simplify right side
    350,547.56x = 72,040,801,964.54
  5. Step 5: Solve for x
    x = 72,040,801,964.54/350,547.56
  6. Step 6: Final answer
    x = 205,509.35

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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.