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Finding the Fourth Proportional to 94,865.50, 130,903.24 and 52,421.50

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Solution

The fourth proportional to 94,865.50, 130,903.24 and 52,421.50 is: 72,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,865.50 : 130,903.24 = 52,421.50 : x
  2. Step 2: Convert to fraction form
    94,865.50/130,903.24 = 52,421.50/x
  3. Step 3: Cross multiply
    94,865.50x = 130,903.24 × 52,421.50
  4. Step 4: Simplify right side
    94,865.50x = 6,862,143,279.04
  5. Step 5: Solve for x
    x = 6,862,143,279.04/94,865.50
  6. Step 6: Final answer
    x = 72,335.50

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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.