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Finding the Fourth Proportional to 64,146.94, 96,203.55 and 19,157.62

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Solution

The fourth proportional to 64,146.94, 96,203.55 and 19,157.62 is: 28,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,146.94 : 96,203.55 = 19,157.62 : x
  2. Step 2: Convert to fraction form
    64,146.94/96,203.55 = 19,157.62/x
  3. Step 3: Cross multiply
    64,146.94x = 96,203.55 × 19,157.62
  4. Step 4: Simplify right side
    64,146.94x = 1,843,031,053.55
  5. Step 5: Solve for x
    x = 1,843,031,053.55/64,146.94
  6. Step 6: Final answer
    x = 28,731.39

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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.