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Finding the Fourth Proportional to 123,007, 184,510.50 and 39,901

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Solution

The fourth proportional to 123,007, 184,510.50 and 39,901 is: 59,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,007 : 184,510.50 = 39,901 : x
  2. Step 2: Convert to fraction form
    123,007/184,510.50 = 39,901/x
  3. Step 3: Cross multiply
    123,007x = 184,510.50 × 39,901
  4. Step 4: Simplify right side
    123,007x = 7,362,153,460.50
  5. Step 5: Solve for x
    x = 7,362,153,460.50/123,007
  6. Step 6: Final answer
    x = 59,851.50

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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.