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Finding the Fourth Proportional to 98,453.28, 147,592.08 and 36,109.28

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Solution

The fourth proportional to 98,453.28, 147,592.08 and 36,109.28 is: 54,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,453.28 : 147,592.08 = 36,109.28 : x
  2. Step 2: Convert to fraction form
    98,453.28/147,592.08 = 36,109.28/x
  3. Step 3: Cross multiply
    98,453.28x = 147,592.08 × 36,109.28
  4. Step 4: Simplify right side
    98,453.28x = 5,329,443,742.50
  5. Step 5: Solve for x
    x = 5,329,443,742.50/98,453.28
  6. Step 6: Final answer
    x = 54,131.70

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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.