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Finding the Fourth Proportional to 94,870.89, 130,916.79 and 52,426.89

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Solution

The fourth proportional to 94,870.89, 130,916.79 and 52,426.89 is: 72,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,870.89 : 130,916.79 = 52,426.89 : x
  2. Step 2: Convert to fraction form
    94,870.89/130,916.79 = 52,426.89/x
  3. Step 3: Cross multiply
    94,870.89x = 130,916.79 × 52,426.89
  4. Step 4: Simplify right side
    94,870.89x = 6,863,560,148.48
  5. Step 5: Solve for x
    x = 6,863,560,148.48/94,870.89
  6. Step 6: Final answer
    x = 72,346.32

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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.