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Finding the Fourth Proportional to 245,783.53, 368,570.94 and 103,692.52

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Solution

The fourth proportional to 245,783.53, 368,570.94 and 103,692.52 is: 155,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,783.53 : 368,570.94 = 103,692.52 : x
  2. Step 2: Convert to fraction form
    245,783.53/368,570.94 = 103,692.52/x
  3. Step 3: Cross multiply
    245,783.53x = 368,570.94 × 103,692.52
  4. Step 4: Simplify right side
    245,783.53x = 38,218,049,567.37
  5. Step 5: Solve for x
    x = 38,218,049,567.37/245,783.53
  6. Step 6: Final answer
    x = 155,494.75

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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.