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Finding the Fourth Proportional to 228,492.93, 342,798.52 and 133,803.12

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Solution

The fourth proportional to 228,492.93, 342,798.52 and 133,803.12 is: 200,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,492.93 : 342,798.52 = 133,803.12 : x
  2. Step 2: Convert to fraction form
    228,492.93/342,798.52 = 133,803.12/x
  3. Step 3: Cross multiply
    228,492.93x = 342,798.52 × 133,803.12
  4. Step 4: Simplify right side
    228,492.93x = 45,867,511,507.38
  5. Step 5: Solve for x
    x = 45,867,511,507.38/228,492.93
  6. Step 6: Final answer
    x = 200,739.30

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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.