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Finding the Fourth Proportional to 259,663.32, 358,334.41 and 144,940.96

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Solution

The fourth proportional to 259,663.32, 358,334.41 and 144,940.96 is: 200,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,663.32 : 358,334.41 = 144,940.96 : x
  2. Step 2: Convert to fraction form
    259,663.32/358,334.41 = 144,940.96/x
  3. Step 3: Cross multiply
    259,663.32x = 358,334.41 × 144,940.96
  4. Step 4: Simplify right side
    259,663.32x = 51,937,334,212.98
  5. Step 5: Solve for x
    x = 51,937,334,212.98/259,663.32
  6. Step 6: Final answer
    x = 200,017.98

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1.5x scale

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.