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Finding the Fourth Proportional to 86,710.92, 119,661.04 and 50,900.92

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Solution

The fourth proportional to 86,710.92, 119,661.04 and 50,900.92 is: 70,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.92 : 119,661.04 = 50,900.92 : x
  2. Step 2: Convert to fraction form
    86,710.92/119,661.04 = 50,900.92/x
  3. Step 3: Cross multiply
    86,710.92x = 119,661.04 × 50,900.92
  4. Step 4: Simplify right side
    86,710.92x = 6,090,857,024.16
  5. Step 5: Solve for x
    x = 6,090,857,024.16/86,710.92
  6. Step 6: Final answer
    x = 70,243.25

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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.