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Finding the Fourth Proportional to 76,045.44, 114,035.46 and 26,130.54

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Solution

The fourth proportional to 76,045.44, 114,035.46 and 26,130.54 is: 39,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.44 : 114,035.46 = 26,130.54 : x
  2. Step 2: Convert to fraction form
    76,045.44/114,035.46 = 26,130.54/x
  3. Step 3: Cross multiply
    76,045.44x = 114,035.46 × 26,130.54
  4. Step 4: Simplify right side
    76,045.44x = 2,979,808,148.95
  5. Step 5: Solve for x
    x = 2,979,808,148.95/76,045.44
  6. Step 6: Final answer
    x = 39,184.57

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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.