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Finding the Fourth Proportional to 201,699.40, 302,549.10 and 185,110.60

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Solution

The fourth proportional to 201,699.40, 302,549.10 and 185,110.60 is: 277,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,699.40 : 302,549.10 = 185,110.60 : x
  2. Step 2: Convert to fraction form
    201,699.40/302,549.10 = 185,110.60/x
  3. Step 3: Cross multiply
    201,699.40x = 302,549.10 × 185,110.60
  4. Step 4: Simplify right side
    201,699.40x = 56,005,045,430.46
  5. Step 5: Solve for x
    x = 56,005,045,430.46/201,699.40
  6. Step 6: Final answer
    x = 277,665.90

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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.