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Finding the Fourth Proportional to 178,199.88, 245,915.80 and 97,630.26

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Solution

The fourth proportional to 178,199.88, 245,915.80 and 97,630.26 is: 134,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,199.88 : 245,915.80 = 97,630.26 : x
  2. Step 2: Convert to fraction form
    178,199.88/245,915.80 = 97,630.26/x
  3. Step 3: Cross multiply
    178,199.88x = 245,915.80 × 97,630.26
  4. Step 4: Simplify right side
    178,199.88x = 24,008,823,492.11
  5. Step 5: Solve for x
    x = 24,008,823,492.11/178,199.88
  6. Step 6: Final answer
    x = 134,729.74

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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.