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Finding the Fourth Proportional to 230,992.42, 346,488.60 and 86,925.32

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Solution

The fourth proportional to 230,992.42, 346,488.60 and 86,925.32 is: 130,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,992.42 : 346,488.60 = 86,925.32 : x
  2. Step 2: Convert to fraction form
    230,992.42/346,488.60 = 86,925.32/x
  3. Step 3: Cross multiply
    230,992.42x = 346,488.60 × 86,925.32
  4. Step 4: Simplify right side
    230,992.42x = 30,118,632,431.35
  5. Step 5: Solve for x
    x = 30,118,632,431.35/230,992.42
  6. Step 6: Final answer
    x = 130,387.97

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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.