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Finding the Fourth Proportional to 77,924.40, 116,903.94 and 36,348.72

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Solution

The fourth proportional to 77,924.40, 116,903.94 and 36,348.72 is: 54,531.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924.40 : 116,903.94 = 36,348.72 : x
  2. Step 2: Convert to fraction form
    77,924.40/116,903.94 = 36,348.72/x
  3. Step 3: Cross multiply
    77,924.40x = 116,903.94 × 36,348.72
  4. Step 4: Simplify right side
    77,924.40x = 4,249,308,581.96
  5. Step 5: Solve for x
    x = 4,249,308,581.96/77,924.40
  6. Step 6: Final answer
    x = 54,531.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.