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Finding the Fourth Proportional to 169,102.84, 232,830.81 and 143,556.25

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Solution

The fourth proportional to 169,102.84, 232,830.81 and 143,556.25 is: 197,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,102.84 : 232,830.81 = 143,556.25 : x
  2. Step 2: Convert to fraction form
    169,102.84/232,830.81 = 143,556.25/x
  3. Step 3: Cross multiply
    169,102.84x = 232,830.81 × 143,556.25
  4. Step 4: Simplify right side
    169,102.84x = 33,424,317,968.06
  5. Step 5: Solve for x
    x = 33,424,317,968.06/169,102.84
  6. Step 6: Final answer
    x = 197,656.75

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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.