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Finding the Fourth Proportional to 219,611.32, 303,055.50 and 119,007.16

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Solution

The fourth proportional to 219,611.32, 303,055.50 and 119,007.16 is: 164,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,611.32 : 303,055.50 = 119,007.16 : x
  2. Step 2: Convert to fraction form
    219,611.32/303,055.50 = 119,007.16/x
  3. Step 3: Cross multiply
    219,611.32x = 303,055.50 × 119,007.16
  4. Step 4: Simplify right side
    219,611.32x = 36,065,774,377.38
  5. Step 5: Solve for x
    x = 36,065,774,377.38/219,611.32
  6. Step 6: Final answer
    x = 164,225.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.