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Finding the Fourth Proportional to 94,138.80, 141,208.20 and 56,741.10

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Solution

The fourth proportional to 94,138.80, 141,208.20 and 56,741.10 is: 85,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,138.80 : 141,208.20 = 56,741.10 : x
  2. Step 2: Convert to fraction form
    94,138.80/141,208.20 = 56,741.10/x
  3. Step 3: Cross multiply
    94,138.80x = 141,208.20 × 56,741.10
  4. Step 4: Simplify right side
    94,138.80x = 8,012,308,597.02
  5. Step 5: Solve for x
    x = 8,012,308,597.02/94,138.80
  6. Step 6: Final answer
    x = 85,111.65

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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.