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Finding the Fourth Proportional to 92,417.81, 127,536.54 and 49,976.34

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Solution

The fourth proportional to 92,417.81, 127,536.54 and 49,976.34 is: 68,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,417.81 : 127,536.54 = 49,976.34 : x
  2. Step 2: Convert to fraction form
    92,417.81/127,536.54 = 49,976.34/x
  3. Step 3: Cross multiply
    92,417.81x = 127,536.54 × 49,976.34
  4. Step 4: Simplify right side
    92,417.81x = 6,373,809,485.46
  5. Step 5: Solve for x
    x = 6,373,809,485.46/92,417.81
  6. Step 6: Final answer
    x = 68,967.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.