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Finding the Fourth Proportional to 94,695.60, 141,989.40 and 35,533.20

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Solution

The fourth proportional to 94,695.60, 141,989.40 and 35,533.20 is: 53,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,695.60 : 141,989.40 = 35,533.20 : x
  2. Step 2: Convert to fraction form
    94,695.60/141,989.40 = 35,533.20/x
  3. Step 3: Cross multiply
    94,695.60x = 141,989.40 × 35,533.20
  4. Step 4: Simplify right side
    94,695.60x = 5,045,337,748.08
  5. Step 5: Solve for x
    x = 5,045,337,748.08/94,695.60
  6. Step 6: Final answer
    x = 53,279.54

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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.