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Finding the Fourth Proportional to 162,289.99, 223,915.71 and 111,315.34

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Solution

The fourth proportional to 162,289.99, 223,915.71 and 111,315.34 is: 153,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.99 : 223,915.71 = 111,315.34 : x
  2. Step 2: Convert to fraction form
    162,289.99/223,915.71 = 111,315.34/x
  3. Step 3: Cross multiply
    162,289.99x = 223,915.71 × 111,315.34
  4. Step 4: Simplify right side
    162,289.99x = 24,925,253,389.99
  5. Step 5: Solve for x
    x = 24,925,253,389.99/162,289.99
  6. Step 6: Final answer
    x = 153,584.66

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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.