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Finding the Fourth Proportional to 183,020.40, 274,530.60 and 64,695.60

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Solution

The fourth proportional to 183,020.40, 274,530.60 and 64,695.60 is: 97,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,020.40 : 274,530.60 = 64,695.60 : x
  2. Step 2: Convert to fraction form
    183,020.40/274,530.60 = 64,695.60/x
  3. Step 3: Cross multiply
    183,020.40x = 274,530.60 × 64,695.60
  4. Step 4: Simplify right side
    183,020.40x = 17,760,921,885.36
  5. Step 5: Solve for x
    x = 17,760,921,885.36/183,020.40
  6. Step 6: Final answer
    x = 97,043.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.