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Finding the Fourth Proportional to 77,333.60, 116,000.40 and 52,757.60

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Solution

The fourth proportional to 77,333.60, 116,000.40 and 52,757.60 is: 79,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.60 : 116,000.40 = 52,757.60 : x
  2. Step 2: Convert to fraction form
    77,333.60/116,000.40 = 52,757.60/x
  3. Step 3: Cross multiply
    77,333.60x = 116,000.40 × 52,757.60
  4. Step 4: Simplify right side
    77,333.60x = 6,119,902,703.04
  5. Step 5: Solve for x
    x = 6,119,902,703.04/77,333.60
  6. Step 6: Final answer
    x = 79,136.40

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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.