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Finding the Fourth Proportional to 153,722.75, 229,055.88 and 136,953.92

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Solution

The fourth proportional to 153,722.75, 229,055.88 and 136,953.92 is: 204,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,722.75 : 229,055.88 = 136,953.92 : x
  2. Step 2: Convert to fraction form
    153,722.75/229,055.88 = 136,953.92/x
  3. Step 3: Cross multiply
    153,722.75x = 229,055.88 × 136,953.92
  4. Step 4: Simplify right side
    153,722.75x = 31,370,099,519.77
  5. Step 5: Solve for x
    x = 31,370,099,519.77/153,722.75
  6. Step 6: Final answer
    x = 204,069.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.