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Finding the Fourth Proportional to 94,245.60, 130,119.84 and 62,457.60

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Solution

The fourth proportional to 94,245.60, 130,119.84 and 62,457.60 is: 86,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,245.60 : 130,119.84 = 62,457.60 : x
  2. Step 2: Convert to fraction form
    94,245.60/130,119.84 = 62,457.60/x
  3. Step 3: Cross multiply
    94,245.60x = 130,119.84 × 62,457.60
  4. Step 4: Simplify right side
    94,245.60x = 8,126,972,918.78
  5. Step 5: Solve for x
    x = 8,126,972,918.78/94,245.60
  6. Step 6: Final answer
    x = 86,231.86

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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.