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Finding the Fourth Proportional to 160,028.36, 240,039.45 and 47,784.63

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Solution

The fourth proportional to 160,028.36, 240,039.45 and 47,784.63 is: 71,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,028.36 : 240,039.45 = 47,784.63 : x
  2. Step 2: Convert to fraction form
    160,028.36/240,039.45 = 47,784.63/x
  3. Step 3: Cross multiply
    160,028.36x = 240,039.45 × 47,784.63
  4. Step 4: Simplify right side
    160,028.36x = 11,470,197,203.80
  5. Step 5: Solve for x
    x = 11,470,197,203.80/160,028.36
  6. Step 6: Final answer
    x = 71,676.03

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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.