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Finding the Fourth Proportional to 182,054.58, 272,721.42 and 85,860.06

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Solution

The fourth proportional to 182,054.58, 272,721.42 and 85,860.06 is: 128,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,054.58 : 272,721.42 = 85,860.06 : x
  2. Step 2: Convert to fraction form
    182,054.58/272,721.42 = 85,860.06/x
  3. Step 3: Cross multiply
    182,054.58x = 272,721.42 × 85,860.06
  4. Step 4: Simplify right side
    182,054.58x = 23,415,877,484.49
  5. Step 5: Solve for x
    x = 23,415,877,484.49/182,054.58
  6. Step 6: Final answer
    x = 128,620.10

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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.