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Finding the Fourth Proportional to 182,767.40, 251,970.98 and 128,245.49

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Solution

The fourth proportional to 182,767.40, 251,970.98 and 128,245.49 is: 176,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,767.40 : 251,970.98 = 128,245.49 : x
  2. Step 2: Convert to fraction form
    182,767.40/251,970.98 = 128,245.49/x
  3. Step 3: Cross multiply
    182,767.40x = 251,970.98 × 128,245.49
  4. Step 4: Simplify right side
    182,767.40x = 32,314,139,894.80
  5. Step 5: Solve for x
    x = 32,314,139,894.80/182,767.40
  6. Step 6: Final answer
    x = 176,804.73

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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.