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Finding the Fourth Proportional to 216,506.00, 325,053.52 and 121,802.85

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Solution

The fourth proportional to 216,506.00, 325,053.52 and 121,802.85 is: 182,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,506.00 : 325,053.52 = 121,802.85 : x
  2. Step 2: Convert to fraction form
    216,506.00/325,053.52 = 121,802.85/x
  3. Step 3: Cross multiply
    216,506.00x = 325,053.52 × 121,802.85
  4. Step 4: Simplify right side
    216,506.00x = 39,592,444,834.02
  5. Step 5: Solve for x
    x = 39,592,444,834.02/216,506.00
  6. Step 6: Final answer
    x = 182,869.96

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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.