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Finding the Fourth Proportional to 169,994.10, 254,980.22 and 51,666.47

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Solution

The fourth proportional to 169,994.10, 254,980.22 and 51,666.47 is: 77,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.10 : 254,980.22 = 51,666.47 : x
  2. Step 2: Convert to fraction form
    169,994.10/254,980.22 = 51,666.47/x
  3. Step 3: Cross multiply
    169,994.10x = 254,980.22 × 51,666.47
  4. Step 4: Simplify right side
    169,994.10x = 13,173,926,353.99
  5. Step 5: Solve for x
    x = 13,173,926,353.99/169,994.10
  6. Step 6: Final answer
    x = 77,496.37

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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.