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Finding the Fourth Proportional to 94,357.55, 130,211.60 and 51,916.11

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Solution

The fourth proportional to 94,357.55, 130,211.60 and 51,916.11 is: 71,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,357.55 : 130,211.60 = 51,916.11 : x
  2. Step 2: Convert to fraction form
    94,357.55/130,211.60 = 51,916.11/x
  3. Step 3: Cross multiply
    94,357.55x = 130,211.60 × 51,916.11
  4. Step 4: Simplify right side
    94,357.55x = 6,760,079,489.30
  5. Step 5: Solve for x
    x = 6,760,079,489.30/94,357.55
  6. Step 6: Final answer
    x = 71,643.23

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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.