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Finding the Fourth Proportional to 245,784.03, 368,571.69 and 103,693.02

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Solution

The fourth proportional to 245,784.03, 368,571.69 and 103,693.02 is: 155,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,784.03 : 368,571.69 = 103,693.02 : x
  2. Step 2: Convert to fraction form
    245,784.03/368,571.69 = 103,693.02/x
  3. Step 3: Cross multiply
    245,784.03x = 368,571.69 × 103,693.02
  4. Step 4: Simplify right side
    245,784.03x = 38,218,311,622.60
  5. Step 5: Solve for x
    x = 38,218,311,622.60/245,784.03
  6. Step 6: Final answer
    x = 155,495.50

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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.