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Finding the Fourth Proportional to 127,954.63, 191,925.03 and 39,208.41

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Solution

The fourth proportional to 127,954.63, 191,925.03 and 39,208.41 is: 58,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,954.63 : 191,925.03 = 39,208.41 : x
  2. Step 2: Convert to fraction form
    127,954.63/191,925.03 = 39,208.41/x
  3. Step 3: Cross multiply
    127,954.63x = 191,925.03 × 39,208.41
  4. Step 4: Simplify right side
    127,954.63x = 7,525,075,265.50
  5. Step 5: Solve for x
    x = 7,525,075,265.50/127,954.63
  6. Step 6: Final answer
    x = 58,810.50

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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.