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Finding the Fourth Proportional to 84,426.72, 116,443.95 and 58,924.95

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Solution

The fourth proportional to 84,426.72, 116,443.95 and 58,924.95 is: 81,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,426.72 : 116,443.95 = 58,924.95 : x
  2. Step 2: Convert to fraction form
    84,426.72/116,443.95 = 58,924.95/x
  3. Step 3: Cross multiply
    84,426.72x = 116,443.95 × 58,924.95
  4. Step 4: Simplify right side
    84,426.72x = 6,861,453,931.55
  5. Step 5: Solve for x
    x = 6,861,453,931.55/84,426.72
  6. Step 6: Final answer
    x = 81,271.12

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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.