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Finding the Fourth Proportional to 259,431.90, 358,024.89 and 150,528.01

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Solution

The fourth proportional to 259,431.90, 358,024.89 and 150,528.01 is: 207,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,431.90 : 358,024.89 = 150,528.01 : x
  2. Step 2: Convert to fraction form
    259,431.90/358,024.89 = 150,528.01/x
  3. Step 3: Cross multiply
    259,431.90x = 358,024.89 × 150,528.01
  4. Step 4: Simplify right side
    259,431.90x = 53,892,774,222.17
  5. Step 5: Solve for x
    x = 53,892,774,222.17/259,431.90
  6. Step 6: Final answer
    x = 207,733.80

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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.