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Finding the Fourth Proportional to 270,158.01, 405,237.01 and 103,907.13

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Solution

The fourth proportional to 270,158.01, 405,237.01 and 103,907.13 is: 155,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,158.01 : 405,237.01 = 103,907.13 : x
  2. Step 2: Convert to fraction form
    270,158.01/405,237.01 = 103,907.13/x
  3. Step 3: Cross multiply
    270,158.01x = 405,237.01 × 103,907.13
  4. Step 4: Simplify right side
    270,158.01x = 42,107,014,678.88
  5. Step 5: Solve for x
    x = 42,107,014,678.88/270,158.01
  6. Step 6: Final answer
    x = 155,860.69

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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.