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Finding the Fourth Proportional to 180,000.32, 270,007.74 and 61,683.62

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Solution

The fourth proportional to 180,000.32, 270,007.74 and 61,683.62 is: 92,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,000.32 : 270,007.74 = 61,683.62 : x
  2. Step 2: Convert to fraction form
    180,000.32/270,007.74 = 61,683.62/x
  3. Step 3: Cross multiply
    180,000.32x = 270,007.74 × 61,683.62
  4. Step 4: Simplify right side
    180,000.32x = 16,655,054,831.22
  5. Step 5: Solve for x
    x = 16,655,054,831.22/180,000.32
  6. Step 6: Final answer
    x = 92,527.92

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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.