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Finding the Fourth Proportional to 259,498.22, 358,110.11 and 144,775.89

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Solution

The fourth proportional to 259,498.22, 358,110.11 and 144,775.89 is: 199,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,498.22 : 358,110.11 = 144,775.89 : x
  2. Step 2: Convert to fraction form
    259,498.22/358,110.11 = 144,775.89/x
  3. Step 3: Cross multiply
    259,498.22x = 358,110.11 × 144,775.89
  4. Step 4: Simplify right side
    259,498.22x = 51,845,710,255.19
  5. Step 5: Solve for x
    x = 51,845,710,255.19/259,498.22
  6. Step 6: Final answer
    x = 199,792.17

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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.