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Finding the Fourth Proportional to 201,038.04, 301,524.20 and 67,915.34

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Solution

The fourth proportional to 201,038.04, 301,524.20 and 67,915.34 is: 101,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,038.04 : 301,524.20 = 67,915.34 : x
  2. Step 2: Convert to fraction form
    201,038.04/301,524.20 = 67,915.34/x
  3. Step 3: Cross multiply
    201,038.04x = 301,524.20 × 67,915.34
  4. Step 4: Simplify right side
    201,038.04x = 20,478,118,561.23
  5. Step 5: Solve for x
    x = 20,478,118,561.23/201,038.04
  6. Step 6: Final answer
    x = 101,861.91

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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.