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Finding the Fourth Proportional to 265,082.96, 397,611.48 and 98,858

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Solution

The fourth proportional to 265,082.96, 397,611.48 and 98,858 is: 148,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,082.96 : 397,611.48 = 98,858 : x
  2. Step 2: Convert to fraction form
    265,082.96/397,611.48 = 98,858/x
  3. Step 3: Cross multiply
    265,082.96x = 397,611.48 × 98,858
  4. Step 4: Simplify right side
    265,082.96x = 39,307,075,689.84
  5. Step 5: Solve for x
    x = 39,307,075,689.84/265,082.96
  6. Step 6: Final answer
    x = 148,282.17

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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.