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Finding the Fourth Proportional to 200,915.40, 301,373.08 and 156,575.32

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Solution

The fourth proportional to 200,915.40, 301,373.08 and 156,575.32 is: 234,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,915.40 : 301,373.08 = 156,575.32 : x
  2. Step 2: Convert to fraction form
    200,915.40/301,373.08 = 156,575.32/x
  3. Step 3: Cross multiply
    200,915.40x = 301,373.08 × 156,575.32
  4. Step 4: Simplify right side
    200,915.40x = 47,187,586,440.39
  5. Step 5: Solve for x
    x = 47,187,586,440.39/200,915.40
  6. Step 6: Final answer
    x = 234,862.96

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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.