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Finding the Fourth Proportional to 169,719.93, 254,612.70 and 64,530.72

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Solution

The fourth proportional to 169,719.93, 254,612.70 and 64,530.72 is: 96,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,719.93 : 254,612.70 = 64,530.72 : x
  2. Step 2: Convert to fraction form
    169,719.93/254,612.70 = 64,530.72/x
  3. Step 3: Cross multiply
    169,719.93x = 254,612.70 × 64,530.72
  4. Step 4: Simplify right side
    169,719.93x = 16,430,340,852.14
  5. Step 5: Solve for x
    x = 16,430,340,852.14/169,719.93
  6. Step 6: Final answer
    x = 96,808.55

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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.