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Finding the Fourth Proportional to 243,336.40, 364,831.80 and 93,518.80

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Solution

The fourth proportional to 243,336.40, 364,831.80 and 93,518.80 is: 140,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,336.40 : 364,831.80 = 93,518.80 : x
  2. Step 2: Convert to fraction form
    243,336.40/364,831.80 = 93,518.80/x
  3. Step 3: Cross multiply
    243,336.40x = 364,831.80 × 93,518.80
  4. Step 4: Simplify right side
    243,336.40x = 34,118,632,137.84
  5. Step 5: Solve for x
    x = 34,118,632,137.84/243,336.40
  6. Step 6: Final answer
    x = 140,211.79

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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.