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Finding the Fourth Proportional to 127,465.60, 191,026.17 and 48,536.77

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Solution

The fourth proportional to 127,465.60, 191,026.17 and 48,536.77 is: 72,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,465.60 : 191,026.17 = 48,536.77 : x
  2. Step 2: Convert to fraction form
    127,465.60/191,026.17 = 48,536.77/x
  3. Step 3: Cross multiply
    127,465.60x = 191,026.17 × 48,536.77
  4. Step 4: Simplify right side
    127,465.60x = 9,271,793,277.27
  5. Step 5: Solve for x
    x = 9,271,793,277.27/127,465.60
  6. Step 6: Final answer
    x = 72,739.57

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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.