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Finding the Fourth Proportional to 70,090.02, 105,098.09 and 30,601.00

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Solution

The fourth proportional to 70,090.02, 105,098.09 and 30,601.00 is: 45,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.02 : 105,098.09 = 30,601.00 : x
  2. Step 2: Convert to fraction form
    70,090.02/105,098.09 = 30,601.00/x
  3. Step 3: Cross multiply
    70,090.02x = 105,098.09 × 30,601.00
  4. Step 4: Simplify right side
    70,090.02x = 3,216,106,815.05
  5. Step 5: Solve for x
    x = 3,216,106,815.05/70,090.02
  6. Step 6: Final answer
    x = 45,885.37

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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.