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Finding the Fourth Proportional to 350,055.60, 525,083.40 and 113,422.20

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Solution

The fourth proportional to 350,055.60, 525,083.40 and 113,422.20 is: 170,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,055.60 : 525,083.40 = 113,422.20 : x
  2. Step 2: Convert to fraction form
    350,055.60/525,083.40 = 113,422.20/x
  3. Step 3: Cross multiply
    350,055.60x = 525,083.40 × 113,422.20
  4. Step 4: Simplify right side
    350,055.60x = 59,556,114,411.48
  5. Step 5: Solve for x
    x = 59,556,114,411.48/350,055.60
  6. Step 6: Final answer
    x = 170,133.30

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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.