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Finding the Fourth Proportional to 201,915.20, 302,872.80 and 173,866.93

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Solution

The fourth proportional to 201,915.20, 302,872.80 and 173,866.93 is: 260,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,915.20 : 302,872.80 = 173,866.93 : x
  2. Step 2: Convert to fraction form
    201,915.20/302,872.80 = 173,866.93/x
  3. Step 3: Cross multiply
    201,915.20x = 302,872.80 × 173,866.93
  4. Step 4: Simplify right side
    201,915.20x = 52,659,563,916.50
  5. Step 5: Solve for x
    x = 52,659,563,916.50/201,915.20
  6. Step 6: Final answer
    x = 260,800.40

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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.