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Finding the Fourth Proportional to 173,412.80, 260,167.80 and 84,669.20

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Solution

The fourth proportional to 173,412.80, 260,167.80 and 84,669.20 is: 127,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.80 : 260,167.80 = 84,669.20 : x
  2. Step 2: Convert to fraction form
    173,412.80/260,167.80 = 84,669.20/x
  3. Step 3: Cross multiply
    173,412.80x = 260,167.80 × 84,669.20
  4. Step 4: Simplify right side
    173,412.80x = 22,028,199,491.76
  5. Step 5: Solve for x
    x = 22,028,199,491.76/173,412.80
  6. Step 6: Final answer
    x = 127,027.53

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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.