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Finding the Fourth Proportional to 94,243.50, 130,056.30 and 53,957.88

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Solution

The fourth proportional to 94,243.50, 130,056.30 and 53,957.88 is: 74,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,243.50 : 130,056.30 = 53,957.88 : x
  2. Step 2: Convert to fraction form
    94,243.50/130,056.30 = 53,957.88/x
  3. Step 3: Cross multiply
    94,243.50x = 130,056.30 × 53,957.88
  4. Step 4: Simplify right side
    94,243.50x = 7,017,562,228.64
  5. Step 5: Solve for x
    x = 7,017,562,228.64/94,243.50
  6. Step 6: Final answer
    x = 74,462.03

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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.