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Finding the Fourth Proportional to 116,777.88, 174,526.89 and 85,254.30

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Solution

The fourth proportional to 116,777.88, 174,526.89 and 85,254.30 is: 127,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,777.88 : 174,526.89 = 85,254.30 : x
  2. Step 2: Convert to fraction form
    116,777.88/174,526.89 = 85,254.30/x
  3. Step 3: Cross multiply
    116,777.88x = 174,526.89 × 85,254.30
  4. Step 4: Simplify right side
    116,777.88x = 14,879,167,838.13
  5. Step 5: Solve for x
    x = 14,879,167,838.13/116,777.88
  6. Step 6: Final answer
    x = 127,414.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.