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Finding the Fourth Proportional to 94,735.96, 130,683.90 and 66,010.12

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Solution

The fourth proportional to 94,735.96, 130,683.90 and 66,010.12 is: 91,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,735.96 : 130,683.90 = 66,010.12 : x
  2. Step 2: Convert to fraction form
    94,735.96/130,683.90 = 66,010.12/x
  3. Step 3: Cross multiply
    94,735.96x = 130,683.90 × 66,010.12
  4. Step 4: Simplify right side
    94,735.96x = 8,626,459,921.07
  5. Step 5: Solve for x
    x = 8,626,459,921.07/94,735.96
  6. Step 6: Final answer
    x = 91,057.92

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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.