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Finding the Fourth Proportional to 85,023.68, 127,465.67 and 58,295.84

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Solution

The fourth proportional to 85,023.68, 127,465.67 and 58,295.84 is: 87,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,023.68 : 127,465.67 = 58,295.84 : x
  2. Step 2: Convert to fraction form
    85,023.68/127,465.67 = 58,295.84/x
  3. Step 3: Cross multiply
    85,023.68x = 127,465.67 × 58,295.84
  4. Step 4: Simplify right side
    85,023.68x = 7,430,717,812.22
  5. Step 5: Solve for x
    x = 7,430,717,812.22/85,023.68
  6. Step 6: Final answer
    x = 87,395.87

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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.