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Finding the Fourth Proportional to 169,970.58, 255,967.71 and 148,048.74

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Solution

The fourth proportional to 169,970.58, 255,967.71 and 148,048.74 is: 222,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,970.58 : 255,967.71 = 148,048.74 : x
  2. Step 2: Convert to fraction form
    169,970.58/255,967.71 = 148,048.74/x
  3. Step 3: Cross multiply
    169,970.58x = 255,967.71 × 148,048.74
  4. Step 4: Simplify right side
    169,970.58x = 37,895,696,946.19
  5. Step 5: Solve for x
    x = 37,895,696,946.19/169,970.58
  6. Step 6: Final answer
    x = 222,954.45

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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.