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Finding the Fourth Proportional to 240,526.18, 360,687.72 and 72,070.43

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Solution

The fourth proportional to 240,526.18, 360,687.72 and 72,070.43 is: 108,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,526.18 : 360,687.72 = 72,070.43 : x
  2. Step 2: Convert to fraction form
    240,526.18/360,687.72 = 72,070.43/x
  3. Step 3: Cross multiply
    240,526.18x = 360,687.72 × 72,070.43
  4. Step 4: Simplify right side
    240,526.18x = 25,994,919,076.12
  5. Step 5: Solve for x
    x = 25,994,919,076.12/240,526.18
  6. Step 6: Final answer
    x = 108,075.22

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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.