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Finding the Fourth Proportional to 230,712.95, 346,067.26 and 72,941.42

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Solution

The fourth proportional to 230,712.95, 346,067.26 and 72,941.42 is: 109,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,712.95 : 346,067.26 = 72,941.42 : x
  2. Step 2: Convert to fraction form
    230,712.95/346,067.26 = 72,941.42/x
  3. Step 3: Cross multiply
    230,712.95x = 346,067.26 × 72,941.42
  4. Step 4: Simplify right side
    230,712.95x = 25,242,637,359.91
  5. Step 5: Solve for x
    x = 25,242,637,359.91/230,712.95
  6. Step 6: Final answer
    x = 109,411.45

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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.