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Finding the Fourth Proportional to 185,409.19, 277,948.85 and 67,054.22

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Solution

The fourth proportional to 185,409.19, 277,948.85 and 67,054.22 is: 100,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,409.19 : 277,948.85 = 67,054.22 : x
  2. Step 2: Convert to fraction form
    185,409.19/277,948.85 = 67,054.22/x
  3. Step 3: Cross multiply
    185,409.19x = 277,948.85 × 67,054.22
  4. Step 4: Simplify right side
    185,409.19x = 18,637,641,611.63
  5. Step 5: Solve for x
    x = 18,637,641,611.63/185,409.19
  6. Step 6: Final answer
    x = 100,521.67

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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.