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Finding the Fourth Proportional to 84,483.64, 116,616.53 and 48,687.89

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Solution

The fourth proportional to 84,483.64, 116,616.53 and 48,687.89 is: 67,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483.64 : 116,616.53 = 48,687.89 : x
  2. Step 2: Convert to fraction form
    84,483.64/116,616.53 = 48,687.89/x
  3. Step 3: Cross multiply
    84,483.64x = 116,616.53 × 48,687.89
  4. Step 4: Simplify right side
    84,483.64x = 5,677,812,541.38
  5. Step 5: Solve for x
    x = 5,677,812,541.38/84,483.64
  6. Step 6: Final answer
    x = 67,206.06

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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.