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Finding the Fourth Proportional to 350,015.40, 525,106.62 and 113,358.60

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Solution

The fourth proportional to 350,015.40, 525,106.62 and 113,358.60 is: 170,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,015.40 : 525,106.62 = 113,358.60 : x
  2. Step 2: Convert to fraction form
    350,015.40/525,106.62 = 113,358.60/x
  3. Step 3: Cross multiply
    350,015.40x = 525,106.62 × 113,358.60
  4. Step 4: Simplify right side
    350,015.40x = 59,525,351,293.93
  5. Step 5: Solve for x
    x = 59,525,351,293.93/350,015.40
  6. Step 6: Final answer
    x = 170,064.95

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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.