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Finding the Fourth Proportional to 178,156.01, 245,855.40 and 97,584.88

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Solution

The fourth proportional to 178,156.01, 245,855.40 and 97,584.88 is: 134,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,156.01 : 245,855.40 = 97,584.88 : x
  2. Step 2: Convert to fraction form
    178,156.01/245,855.40 = 97,584.88/x
  3. Step 3: Cross multiply
    178,156.01x = 245,855.40 × 97,584.88
  4. Step 4: Simplify right side
    178,156.01x = 23,991,770,320.99
  5. Step 5: Solve for x
    x = 23,991,770,320.99/178,156.01
  6. Step 6: Final answer
    x = 134,667.20

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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.