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Finding the Fourth Proportional to 116,771.60, 175,157.40 and 70,115.60

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Solution

The fourth proportional to 116,771.60, 175,157.40 and 70,115.60 is: 105,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,771.60 : 175,157.40 = 70,115.60 : x
  2. Step 2: Convert to fraction form
    116,771.60/175,157.40 = 70,115.60/x
  3. Step 3: Cross multiply
    116,771.60x = 175,157.40 × 70,115.60
  4. Step 4: Simplify right side
    116,771.60x = 12,281,266,195.44
  5. Step 5: Solve for x
    x = 12,281,266,195.44/116,771.60
  6. Step 6: Final answer
    x = 105,173.40

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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.