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Finding the Fourth Proportional to 171,810.61, 257,654.16 and 59,460.32

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Solution

The fourth proportional to 171,810.61, 257,654.16 and 59,460.32 is: 89,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,810.61 : 257,654.16 = 59,460.32 : x
  2. Step 2: Convert to fraction form
    171,810.61/257,654.16 = 59,460.32/x
  3. Step 3: Cross multiply
    171,810.61x = 257,654.16 × 59,460.32
  4. Step 4: Simplify right side
    171,810.61x = 15,320,199,447.07
  5. Step 5: Solve for x
    x = 15,320,199,447.07/171,810.61
  6. Step 6: Final answer
    x = 89,169.11

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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.