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Finding the Fourth Proportional to 185,307.99, 277,961.97 and 45,065.40

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Solution

The fourth proportional to 185,307.99, 277,961.97 and 45,065.40 is: 67,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,307.99 : 277,961.97 = 45,065.40 : x
  2. Step 2: Convert to fraction form
    185,307.99/277,961.97 = 45,065.40/x
  3. Step 3: Cross multiply
    185,307.99x = 277,961.97 × 45,065.40
  4. Step 4: Simplify right side
    185,307.99x = 12,526,467,362.84
  5. Step 5: Solve for x
    x = 12,526,467,362.84/185,307.99
  6. Step 6: Final answer
    x = 67,598.10

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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.