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Finding the Fourth Proportional to 242,796.70, 364,085.70 and 92,987.20

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Solution

The fourth proportional to 242,796.70, 364,085.70 and 92,987.20 is: 139,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,796.70 : 364,085.70 = 92,987.20 : x
  2. Step 2: Convert to fraction form
    242,796.70/364,085.70 = 92,987.20/x
  3. Step 3: Cross multiply
    242,796.70x = 364,085.70 × 92,987.20
  4. Step 4: Simplify right side
    242,796.70x = 33,855,309,803.04
  5. Step 5: Solve for x
    x = 33,855,309,803.04/242,796.70
  6. Step 6: Final answer
    x = 139,438.92

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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.