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Finding the Fourth Proportional to 171,813.10, 257,657.90 and 59,462.84

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Solution

The fourth proportional to 171,813.10, 257,657.90 and 59,462.84 is: 89,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,813.10 : 257,657.90 = 59,462.84 : x
  2. Step 2: Convert to fraction form
    171,813.10/257,657.90 = 59,462.84/x
  3. Step 3: Cross multiply
    171,813.10x = 257,657.90 × 59,462.84
  4. Step 4: Simplify right side
    171,813.10x = 15,321,070,482.44
  5. Step 5: Solve for x
    x = 15,321,070,482.44/171,813.10
  6. Step 6: Final answer
    x = 89,172.89

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1.5x scale

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.