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Finding the Fourth Proportional to 216,206.96, 322,890.96 and 184,276.80

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Solution

The fourth proportional to 216,206.96, 322,890.96 and 184,276.80 is: 275,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206.96 : 322,890.96 = 184,276.80 : x
  2. Step 2: Convert to fraction form
    216,206.96/322,890.96 = 184,276.80/x
  3. Step 3: Cross multiply
    216,206.96x = 322,890.96 × 184,276.80
  4. Step 4: Simplify right side
    216,206.96x = 59,501,312,857.73
  5. Step 5: Solve for x
    x = 59,501,312,857.73/216,206.96
  6. Step 6: Final answer
    x = 275,205.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.