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Finding the Fourth Proportional to 94,114.96, 129,889 and 53,832.40

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Solution

The fourth proportional to 94,114.96, 129,889 and 53,832.40 is: 74,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,114.96 : 129,889 = 53,832.40 : x
  2. Step 2: Convert to fraction form
    94,114.96/129,889 = 53,832.40/x
  3. Step 3: Cross multiply
    94,114.96x = 129,889 × 53,832.40
  4. Step 4: Simplify right side
    94,114.96x = 6,992,236,603.60
  5. Step 5: Solve for x
    x = 6,992,236,603.60/94,114.96
  6. Step 6: Final answer
    x = 74,294.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.