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Finding the Fourth Proportional to 89,903.08, 134,853.18 and 34,499.08

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Solution

The fourth proportional to 89,903.08, 134,853.18 and 34,499.08 is: 51,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,903.08 : 134,853.18 = 34,499.08 : x
  2. Step 2: Convert to fraction form
    89,903.08/134,853.18 = 34,499.08/x
  3. Step 3: Cross multiply
    89,903.08x = 134,853.18 × 34,499.08
  4. Step 4: Simplify right side
    89,903.08x = 4,652,310,645.07
  5. Step 5: Solve for x
    x = 4,652,310,645.07/89,903.08
  6. Step 6: Final answer
    x = 51,748.07

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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.