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Finding the Fourth Proportional to 165,509.88, 248,264.44 and 60,285.84

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Solution

The fourth proportional to 165,509.88, 248,264.44 and 60,285.84 is: 90,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,509.88 : 248,264.44 = 60,285.84 : x
  2. Step 2: Convert to fraction form
    165,509.88/248,264.44 = 60,285.84/x
  3. Step 3: Cross multiply
    165,509.88x = 248,264.44 × 60,285.84
  4. Step 4: Simplify right side
    165,509.88x = 14,966,830,307.53
  5. Step 5: Solve for x
    x = 14,966,830,307.53/165,509.88
  6. Step 6: Final answer
    x = 90,428.62

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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.