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Finding the Fourth Proportional to 170,281.80, 254,985.30 and 134,998.20

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Solution

The fourth proportional to 170,281.80, 254,985.30 and 134,998.20 is: 202,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,281.80 : 254,985.30 = 134,998.20 : x
  2. Step 2: Convert to fraction form
    170,281.80/254,985.30 = 134,998.20/x
  3. Step 3: Cross multiply
    170,281.80x = 254,985.30 × 134,998.20
  4. Step 4: Simplify right side
    170,281.80x = 34,422,556,526.46
  5. Step 5: Solve for x
    x = 34,422,556,526.46/170,281.80
  6. Step 6: Final answer
    x = 202,150.53

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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.