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Finding the Fourth Proportional to 178,205.44, 245,912.88 and 97,618.72

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Solution

The fourth proportional to 178,205.44, 245,912.88 and 97,618.72 is: 134,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,205.44 : 245,912.88 = 97,618.72 : x
  2. Step 2: Convert to fraction form
    178,205.44/245,912.88 = 97,618.72/x
  3. Step 3: Cross multiply
    178,205.44x = 245,912.88 × 97,618.72
  4. Step 4: Simplify right side
    178,205.44x = 24,005,700,577.11
  5. Step 5: Solve for x
    x = 24,005,700,577.11/178,205.44
  6. Step 6: Final answer
    x = 134,708.01

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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.