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Finding the Fourth Proportional to 171,811.84, 257,656.02 and 59,461.58

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Solution

The fourth proportional to 171,811.84, 257,656.02 and 59,461.58 is: 89,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.84 : 257,656.02 = 59,461.58 : x
  2. Step 2: Convert to fraction form
    171,811.84/257,656.02 = 59,461.58/x
  3. Step 3: Cross multiply
    171,811.84x = 257,656.02 × 59,461.58
  4. Step 4: Simplify right side
    171,811.84x = 15,320,634,045.71
  5. Step 5: Solve for x
    x = 15,320,634,045.71/171,811.84
  6. Step 6: Final answer
    x = 89,171.00

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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.