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Finding the Fourth Proportional to 101,762.36, 140,409.59 and 58,732.70

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Solution

The fourth proportional to 101,762.36, 140,409.59 and 58,732.70 is: 81,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,762.36 : 140,409.59 = 58,732.70 : x
  2. Step 2: Convert to fraction form
    101,762.36/140,409.59 = 58,732.70/x
  3. Step 3: Cross multiply
    101,762.36x = 140,409.59 × 58,732.70
  4. Step 4: Simplify right side
    101,762.36x = 8,246,633,330.88
  5. Step 5: Solve for x
    x = 8,246,633,330.88/101,762.36
  6. Step 6: Final answer
    x = 81,038.15

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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.