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Finding the Fourth Proportional to 94,452.58, 130,344.35 and 51,431.40

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Solution

The fourth proportional to 94,452.58, 130,344.35 and 51,431.40 is: 70,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,452.58 : 130,344.35 = 51,431.40 : x
  2. Step 2: Convert to fraction form
    94,452.58/130,344.35 = 51,431.40/x
  3. Step 3: Cross multiply
    94,452.58x = 130,344.35 × 51,431.40
  4. Step 4: Simplify right side
    94,452.58x = 6,703,792,338.30
  5. Step 5: Solve for x
    x = 6,703,792,338.30/94,452.58
  6. Step 6: Final answer
    x = 70,975.22

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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.