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Finding the Fourth Proportional to 173,354.80, 260,032.20 and 106,578.40

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Solution

The fourth proportional to 173,354.80, 260,032.20 and 106,578.40 is: 159,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,354.80 : 260,032.20 = 106,578.40 : x
  2. Step 2: Convert to fraction form
    173,354.80/260,032.20 = 106,578.40/x
  3. Step 3: Cross multiply
    173,354.80x = 260,032.20 × 106,578.40
  4. Step 4: Simplify right side
    173,354.80x = 27,713,815,824.48
  5. Step 5: Solve for x
    x = 27,713,815,824.48/173,354.80
  6. Step 6: Final answer
    x = 159,867.60

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1.5x scale

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.