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Finding the Fourth Proportional to 173,258.93, 259,897.55 and 54,939.50

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Solution

The fourth proportional to 173,258.93, 259,897.55 and 54,939.50 is: 82,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,258.93 : 259,897.55 = 54,939.50 : x
  2. Step 2: Convert to fraction form
    173,258.93/259,897.55 = 54,939.50/x
  3. Step 3: Cross multiply
    173,258.93x = 259,897.55 × 54,939.50
  4. Step 4: Simplify right side
    173,258.93x = 14,278,639,874.04
  5. Step 5: Solve for x
    x = 14,278,639,874.04/173,258.93
  6. Step 6: Final answer
    x = 82,412.15

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1.5x scale

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.