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Finding the Fourth Proportional to 94,662.60, 130,619.16 and 53,822.40

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Solution

The fourth proportional to 94,662.60, 130,619.16 and 53,822.40 is: 74,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,662.60 : 130,619.16 = 53,822.40 : x
  2. Step 2: Convert to fraction form
    94,662.60/130,619.16 = 53,822.40/x
  3. Step 3: Cross multiply
    94,662.60x = 130,619.16 × 53,822.40
  4. Step 4: Simplify right side
    94,662.60x = 7,030,236,677.18
  5. Step 5: Solve for x
    x = 7,030,236,677.18/94,662.60
  6. Step 6: Final answer
    x = 74,266.25

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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.