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Finding the Fourth Proportional to 265,075.14, 397,526.85 and 87,539.34

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Solution

The fourth proportional to 265,075.14, 397,526.85 and 87,539.34 is: 131,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,075.14 : 397,526.85 = 87,539.34 : x
  2. Step 2: Convert to fraction form
    265,075.14/397,526.85 = 87,539.34/x
  3. Step 3: Cross multiply
    265,075.14x = 397,526.85 × 87,539.34
  4. Step 4: Simplify right side
    265,075.14x = 34,799,238,081.28
  5. Step 5: Solve for x
    x = 34,799,238,081.28/265,075.14
  6. Step 6: Final answer
    x = 131,280.66

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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.