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Finding the Fourth Proportional to 182,281.90, 251,518.80 and 121,755.46

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Solution

The fourth proportional to 182,281.90, 251,518.80 and 121,755.46 is: 168,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,281.90 : 251,518.80 = 121,755.46 : x
  2. Step 2: Convert to fraction form
    182,281.90/251,518.80 = 121,755.46/x
  3. Step 3: Cross multiply
    182,281.90x = 251,518.80 × 121,755.46
  4. Step 4: Simplify right side
    182,281.90x = 30,623,787,192.65
  5. Step 5: Solve for x
    x = 30,623,787,192.65/182,281.90
  6. Step 6: Final answer
    x = 168,002.35

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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.