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Finding the Fourth Proportional to 171,376.73, 257,075.99 and 53,038.13

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Solution

The fourth proportional to 171,376.73, 257,075.99 and 53,038.13 is: 79,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,376.73 : 257,075.99 = 53,038.13 : x
  2. Step 2: Convert to fraction form
    171,376.73/257,075.99 = 53,038.13/x
  3. Step 3: Cross multiply
    171,376.73x = 257,075.99 × 53,038.13
  4. Step 4: Simplify right side
    171,376.73x = 13,634,829,777.50
  5. Step 5: Solve for x
    x = 13,634,829,777.50/171,376.73
  6. Step 6: Final answer
    x = 79,560.57

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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.