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Finding the Fourth Proportional to 161,907.30, 242,860.95 and 158,796.90

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Solution

The fourth proportional to 161,907.30, 242,860.95 and 158,796.90 is: 238,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907.30 : 242,860.95 = 158,796.90 : x
  2. Step 2: Convert to fraction form
    161,907.30/242,860.95 = 158,796.90/x
  3. Step 3: Cross multiply
    161,907.30x = 242,860.95 × 158,796.90
  4. Step 4: Simplify right side
    161,907.30x = 38,565,565,991.06
  5. Step 5: Solve for x
    x = 38,565,565,991.06/161,907.30
  6. Step 6: Final answer
    x = 238,195.35

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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.