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Finding the Fourth Proportional to 172,701.19, 259,075.36 and 60,355.34

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Solution

The fourth proportional to 172,701.19, 259,075.36 and 60,355.34 is: 90,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,701.19 : 259,075.36 = 60,355.34 : x
  2. Step 2: Convert to fraction form
    172,701.19/259,075.36 = 60,355.34/x
  3. Step 3: Cross multiply
    172,701.19x = 259,075.36 × 60,355.34
  4. Step 4: Simplify right side
    172,701.19x = 15,636,581,438.42
  5. Step 5: Solve for x
    x = 15,636,581,438.42/172,701.19
  6. Step 6: Final answer
    x = 90,541.25

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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.