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Finding the Fourth Proportional to 139,853.16, 193,154.58 and 94,452.30

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Solution

The fourth proportional to 139,853.16, 193,154.58 and 94,452.30 is: 130,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,853.16 : 193,154.58 = 94,452.30 : x
  2. Step 2: Convert to fraction form
    139,853.16/193,154.58 = 94,452.30/x
  3. Step 3: Cross multiply
    139,853.16x = 193,154.58 × 94,452.30
  4. Step 4: Simplify right side
    139,853.16x = 18,243,894,336.53
  5. Step 5: Solve for x
    x = 18,243,894,336.53/139,853.16
  6. Step 6: Final answer
    x = 130,450.35

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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.