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Finding the Fourth Proportional to 173,148.40, 259,698.30 and 54,831.70

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Solution

The fourth proportional to 173,148.40, 259,698.30 and 54,831.70 is: 82,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,148.40 : 259,698.30 = 54,831.70 : x
  2. Step 2: Convert to fraction form
    173,148.40/259,698.30 = 54,831.70/x
  3. Step 3: Cross multiply
    173,148.40x = 259,698.30 × 54,831.70
  4. Step 4: Simplify right side
    173,148.40x = 14,239,699,276.11
  5. Step 5: Solve for x
    x = 14,239,699,276.11/173,148.40
  6. Step 6: Final answer
    x = 82,239.85

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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.