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Finding the Fourth Proportional to 89,911.48, 134,866.14 and 23,345.68

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Solution

The fourth proportional to 89,911.48, 134,866.14 and 23,345.68 is: 35,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,911.48 : 134,866.14 = 23,345.68 : x
  2. Step 2: Convert to fraction form
    89,911.48/134,866.14 = 23,345.68/x
  3. Step 3: Cross multiply
    89,911.48x = 134,866.14 × 23,345.68
  4. Step 4: Simplify right side
    89,911.48x = 3,148,541,747.28
  5. Step 5: Solve for x
    x = 3,148,541,747.28/89,911.48
  6. Step 6: Final answer
    x = 35,018.24

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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.