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Finding the Fourth Proportional to 162,164.06, 223,940.40 and 153,328.58

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Solution

The fourth proportional to 162,164.06, 223,940.40 and 153,328.58 is: 211,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164.06 : 223,940.40 = 153,328.58 : x
  2. Step 2: Convert to fraction form
    162,164.06/223,940.40 = 153,328.58/x
  3. Step 3: Cross multiply
    162,164.06x = 223,940.40 × 153,328.58
  4. Step 4: Simplify right side
    162,164.06x = 34,336,463,536.63
  5. Step 5: Solve for x
    x = 34,336,463,536.63/162,164.06
  6. Step 6: Final answer
    x = 211,739.05

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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.