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Finding the Fourth Proportional to 154,797.34, 213,643.67 and 94,403.02

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Solution

The fourth proportional to 154,797.34, 213,643.67 and 94,403.02 is: 130,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,797.34 : 213,643.67 = 94,403.02 : x
  2. Step 2: Convert to fraction form
    154,797.34/213,643.67 = 94,403.02/x
  3. Step 3: Cross multiply
    154,797.34x = 213,643.67 × 94,403.02
  4. Step 4: Simplify right side
    154,797.34x = 20,168,607,353.78
  5. Step 5: Solve for x
    x = 20,168,607,353.78/154,797.34
  6. Step 6: Final answer
    x = 130,290.40

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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.