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Finding the Fourth Proportional to 92,409.95, 127,525.64 and 49,968.38

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Solution

The fourth proportional to 92,409.95, 127,525.64 and 49,968.38 is: 68,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,409.95 : 127,525.64 = 49,968.38 : x
  2. Step 2: Convert to fraction form
    92,409.95/127,525.64 = 49,968.38/x
  3. Step 3: Cross multiply
    92,409.95x = 127,525.64 × 49,968.38
  4. Step 4: Simplify right side
    92,409.95x = 6,372,248,751.79
  5. Step 5: Solve for x
    x = 6,372,248,751.79/92,409.95
  6. Step 6: Final answer
    x = 68,956.31

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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.