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Finding the Fourth Proportional to 295,186.64, 407,316.48 and 167,848.16

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Solution

The fourth proportional to 295,186.64, 407,316.48 and 167,848.16 is: 231,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,186.64 : 407,316.48 = 167,848.16 : x
  2. Step 2: Convert to fraction form
    295,186.64/407,316.48 = 167,848.16/x
  3. Step 3: Cross multiply
    295,186.64x = 407,316.48 × 167,848.16
  4. Step 4: Simplify right side
    295,186.64x = 68,367,321,705.68
  5. Step 5: Solve for x
    x = 68,367,321,705.68/295,186.64
  6. Step 6: Final answer
    x = 231,607.10

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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.