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Finding the Fourth Proportional to 223,886.36, 308,985 and 167,199.32

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Solution

The fourth proportional to 223,886.36, 308,985 and 167,199.32 is: 230,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,886.36 : 308,985 = 167,199.32 : x
  2. Step 2: Convert to fraction form
    223,886.36/308,985 = 167,199.32/x
  3. Step 3: Cross multiply
    223,886.36x = 308,985 × 167,199.32
  4. Step 4: Simplify right side
    223,886.36x = 51,662,081,890.20
  5. Step 5: Solve for x
    x = 51,662,081,890.20/223,886.36
  6. Step 6: Final answer
    x = 230,751.36

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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.