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Finding the Fourth Proportional to 268,495.61, 370,431.72 and 166,484.34

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Solution

The fourth proportional to 268,495.61, 370,431.72 and 166,484.34 is: 229,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,495.61 : 370,431.72 = 166,484.34 : x
  2. Step 2: Convert to fraction form
    268,495.61/370,431.72 = 166,484.34/x
  3. Step 3: Cross multiply
    268,495.61x = 370,431.72 × 166,484.34
  4. Step 4: Simplify right side
    268,495.61x = 61,671,080,419.26
  5. Step 5: Solve for x
    x = 61,671,080,419.26/268,495.61
  6. Step 6: Final answer
    x = 229,691.21

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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.