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Finding the Fourth Proportional to 171,496.58, 257,254.59 and 53,184.74

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Solution

The fourth proportional to 171,496.58, 257,254.59 and 53,184.74 is: 79,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,496.58 : 257,254.59 = 53,184.74 : x
  2. Step 2: Convert to fraction form
    171,496.58/257,254.59 = 53,184.74/x
  3. Step 3: Cross multiply
    171,496.58x = 257,254.59 × 53,184.74
  4. Step 4: Simplify right side
    171,496.58x = 13,682,018,482.96
  5. Step 5: Solve for x
    x = 13,682,018,482.96/171,496.58
  6. Step 6: Final answer
    x = 79,780.12

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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.