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Finding the Fourth Proportional to 255,166.17, 382,750.29 and 103,366.12

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Solution

The fourth proportional to 255,166.17, 382,750.29 and 103,366.12 is: 155,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,166.17 : 382,750.29 = 103,366.12 : x
  2. Step 2: Convert to fraction form
    255,166.17/382,750.29 = 103,366.12/x
  3. Step 3: Cross multiply
    255,166.17x = 382,750.29 × 103,366.12
  4. Step 4: Simplify right side
    255,166.17x = 39,563,411,171.69
  5. Step 5: Solve for x
    x = 39,563,411,171.69/255,166.17
  6. Step 6: Final answer
    x = 155,049.60

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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.