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Finding the Fourth Proportional to 259,490.37, 358,014.28 and 152,026.05

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Solution

The fourth proportional to 259,490.37, 358,014.28 and 152,026.05 is: 209,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,490.37 : 358,014.28 = 152,026.05 : x
  2. Step 2: Convert to fraction form
    259,490.37/358,014.28 = 152,026.05/x
  3. Step 3: Cross multiply
    259,490.37x = 358,014.28 × 152,026.05
  4. Step 4: Simplify right side
    259,490.37x = 54,427,496,831.99
  5. Step 5: Solve for x
    x = 54,427,496,831.99/259,490.37
  6. Step 6: Final answer
    x = 209,747.66

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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.