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Finding the Fourth Proportional to 169,970.35, 255,967.34 and 148,048.51

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Solution

The fourth proportional to 169,970.35, 255,967.34 and 148,048.51 is: 222,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,970.35 : 255,967.34 = 148,048.51 : x
  2. Step 2: Convert to fraction form
    169,970.35/255,967.34 = 148,048.51/x
  3. Step 3: Cross multiply
    169,970.35x = 255,967.34 × 148,048.51
  4. Step 4: Simplify right side
    169,970.35x = 37,895,583,295.66
  5. Step 5: Solve for x
    x = 37,895,583,295.66/169,970.35
  6. Step 6: Final answer
    x = 222,954.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.