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Finding the Fourth Proportional to 103,651.60, 155,510.21 and 37,090.25

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Solution

The fourth proportional to 103,651.60, 155,510.21 and 37,090.25 is: 55,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.60 : 155,510.21 = 37,090.25 : x
  2. Step 2: Convert to fraction form
    103,651.60/155,510.21 = 37,090.25/x
  3. Step 3: Cross multiply
    103,651.60x = 155,510.21 × 37,090.25
  4. Step 4: Simplify right side
    103,651.60x = 5,767,912,566.45
  5. Step 5: Solve for x
    x = 5,767,912,566.45/103,651.60
  6. Step 6: Final answer
    x = 55,647.12

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1.5x scale

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.