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Finding the Fourth Proportional to 188,457.50, 282,683.91 and 55,332.97

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Solution

The fourth proportional to 188,457.50, 282,683.91 and 55,332.97 is: 82,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,457.50 : 282,683.91 = 55,332.97 : x
  2. Step 2: Convert to fraction form
    188,457.50/282,683.91 = 55,332.97/x
  3. Step 3: Cross multiply
    188,457.50x = 282,683.91 × 55,332.97
  4. Step 4: Simplify right side
    188,457.50x = 15,641,740,311.51
  5. Step 5: Solve for x
    x = 15,641,740,311.51/188,457.50
  6. Step 6: Final answer
    x = 82,998.77

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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.