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Finding the Fourth Proportional to 75,133.08, 103,682.70 and 45,325.08

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Solution

The fourth proportional to 75,133.08, 103,682.70 and 45,325.08 is: 62,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.08 : 103,682.70 = 45,325.08 : x
  2. Step 2: Convert to fraction form
    75,133.08/103,682.70 = 45,325.08/x
  3. Step 3: Cross multiply
    75,133.08x = 103,682.70 × 45,325.08
  4. Step 4: Simplify right side
    75,133.08x = 4,699,426,672.12
  5. Step 5: Solve for x
    x = 4,699,426,672.12/75,133.08
  6. Step 6: Final answer
    x = 62,548.04

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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.