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Finding the Fourth Proportional to 96,259, 144,446.82 and 40,855

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Solution

The fourth proportional to 96,259, 144,446.82 and 40,855 is: 61,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,259 : 144,446.82 = 40,855 : x
  2. Step 2: Convert to fraction form
    96,259/144,446.82 = 40,855/x
  3. Step 3: Cross multiply
    96,259x = 144,446.82 × 40,855
  4. Step 4: Simplify right side
    96,259x = 5,901,374,831.10
  5. Step 5: Solve for x
    x = 5,901,374,831.10/96,259
  6. Step 6: Final answer
    x = 61,307.25

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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.