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Finding the Fourth Proportional to 250,805.58, 346,110.75 and 137,630.22

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Solution

The fourth proportional to 250,805.58, 346,110.75 and 137,630.22 is: 189,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,805.58 : 346,110.75 = 137,630.22 : x
  2. Step 2: Convert to fraction form
    250,805.58/346,110.75 = 137,630.22/x
  3. Step 3: Cross multiply
    250,805.58x = 346,110.75 × 137,630.22
  4. Step 4: Simplify right side
    250,805.58x = 47,635,298,666.87
  5. Step 5: Solve for x
    x = 47,635,298,666.87/250,805.58
  6. Step 6: Final answer
    x = 189,929.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.