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Finding the Fourth Proportional to 94,689.96, 130,672 and 52,248.48

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Solution

The fourth proportional to 94,689.96, 130,672 and 52,248.48 is: 72,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.96 : 130,672 = 52,248.48 : x
  2. Step 2: Convert to fraction form
    94,689.96/130,672 = 52,248.48/x
  3. Step 3: Cross multiply
    94,689.96x = 130,672 × 52,248.48
  4. Step 4: Simplify right side
    94,689.96x = 6,827,413,378.56
  5. Step 5: Solve for x
    x = 6,827,413,378.56/94,689.96
  6. Step 6: Final answer
    x = 72,102.82

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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.