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Finding the Fourth Proportional to 170,452.78, 235,220.51 and 93,970.11

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Solution

The fourth proportional to 170,452.78, 235,220.51 and 93,970.11 is: 129,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,452.78 : 235,220.51 = 93,970.11 : x
  2. Step 2: Convert to fraction form
    170,452.78/235,220.51 = 93,970.11/x
  3. Step 3: Cross multiply
    170,452.78x = 235,220.51 × 93,970.11
  4. Step 4: Simplify right side
    170,452.78x = 22,103,697,433.88
  5. Step 5: Solve for x
    x = 22,103,697,433.88/170,452.78
  6. Step 6: Final answer
    x = 129,676.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.