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Finding the Fourth Proportional to 144,268.68, 216,386.28 and 39,095.58

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Solution

The fourth proportional to 144,268.68, 216,386.28 and 39,095.58 is: 58,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268.68 : 216,386.28 = 39,095.58 : x
  2. Step 2: Convert to fraction form
    144,268.68/216,386.28 = 39,095.58/x
  3. Step 3: Cross multiply
    144,268.68x = 216,386.28 × 39,095.58
  4. Step 4: Simplify right side
    144,268.68x = 8,459,747,120.64
  5. Step 5: Solve for x
    x = 8,459,747,120.64/144,268.68
  6. Step 6: Final answer
    x = 58,638.83

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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.