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Finding the Fourth Proportional to 525,098.88, 787,772.48 and 170,112.32

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Solution

The fourth proportional to 525,098.88, 787,772.48 and 170,112.32 is: 255,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,098.88 : 787,772.48 = 170,112.32 : x
  2. Step 2: Convert to fraction form
    525,098.88/787,772.48 = 170,112.32/x
  3. Step 3: Cross multiply
    525,098.88x = 787,772.48 × 170,112.32
  4. Step 4: Simplify right side
    525,098.88x = 134,009,804,204.95
  5. Step 5: Solve for x
    x = 134,009,804,204.95/525,098.88
  6. Step 6: Final answer
    x = 255,208.70

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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.