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Finding the Fourth Proportional to 248,050, 372,075.02 and 72,946

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Solution

The fourth proportional to 248,050, 372,075.02 and 72,946 is: 109,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,050 : 372,075.02 = 72,946 : x
  2. Step 2: Convert to fraction form
    248,050/372,075.02 = 72,946/x
  3. Step 3: Cross multiply
    248,050x = 372,075.02 × 72,946
  4. Step 4: Simplify right side
    248,050x = 27,141,384,408.92
  5. Step 5: Solve for x
    x = 27,141,384,408.92/248,050
  6. Step 6: Final answer
    x = 109,419.01

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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.