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Finding the Fourth Proportional to 103,674.01, 155,503.71 and 40,482.26

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Solution

The fourth proportional to 103,674.01, 155,503.71 and 40,482.26 is: 60,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.01 : 155,503.71 = 40,482.26 : x
  2. Step 2: Convert to fraction form
    103,674.01/155,503.71 = 40,482.26/x
  3. Step 3: Cross multiply
    103,674.01x = 155,503.71 × 40,482.26
  4. Step 4: Simplify right side
    103,674.01x = 6,295,141,619.18
  5. Step 5: Solve for x
    x = 6,295,141,619.18/103,674.01
  6. Step 6: Final answer
    x = 60,720.54

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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.