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Finding the Fourth Proportional to 171,428.68, 257,159.94 and 59,094.11

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Solution

The fourth proportional to 171,428.68, 257,159.94 and 59,094.11 is: 88,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,428.68 : 257,159.94 = 59,094.11 : x
  2. Step 2: Convert to fraction form
    171,428.68/257,159.94 = 59,094.11/x
  3. Step 3: Cross multiply
    171,428.68x = 257,159.94 × 59,094.11
  4. Step 4: Simplify right side
    171,428.68x = 15,196,637,781.95
  5. Step 5: Solve for x
    x = 15,196,637,781.95/171,428.68
  6. Step 6: Final answer
    x = 88,647.00

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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.