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Finding the Fourth Proportional to 161,125.34, 241,668.90 and 42,805.80

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Solution

The fourth proportional to 161,125.34, 241,668.90 and 42,805.80 is: 64,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,125.34 : 241,668.90 = 42,805.80 : x
  2. Step 2: Convert to fraction form
    161,125.34/241,668.90 = 42,805.80/x
  3. Step 3: Cross multiply
    161,125.34x = 241,668.90 × 42,805.80
  4. Step 4: Simplify right side
    161,125.34x = 10,344,830,599.62
  5. Step 5: Solve for x
    x = 10,344,830,599.62/161,125.34
  6. Step 6: Final answer
    x = 64,203.63

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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.