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Finding the Fourth Proportional to 171,876.90, 257,753.58 and 59,526.86

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Solution

The fourth proportional to 171,876.90, 257,753.58 and 59,526.86 is: 89,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,876.90 : 257,753.58 = 59,526.86 : x
  2. Step 2: Convert to fraction form
    171,876.90/257,753.58 = 59,526.86/x
  3. Step 3: Cross multiply
    171,876.90x = 257,753.58 × 59,526.86
  4. Step 4: Simplify right side
    171,876.90x = 15,343,261,271.16
  5. Step 5: Solve for x
    x = 15,343,261,271.16/171,876.90
  6. Step 6: Final answer
    x = 89,268.90

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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.