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Finding the Fourth Proportional to 92,526.94, 138,769.64 and 42,559.04

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Solution

The fourth proportional to 92,526.94, 138,769.64 and 42,559.04 is: 63,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,526.94 : 138,769.64 = 42,559.04 : x
  2. Step 2: Convert to fraction form
    92,526.94/138,769.64 = 42,559.04/x
  3. Step 3: Cross multiply
    92,526.94x = 138,769.64 × 42,559.04
  4. Step 4: Simplify right side
    92,526.94x = 5,905,902,659.55
  5. Step 5: Solve for x
    x = 5,905,902,659.55/92,526.94
  6. Step 6: Final answer
    x = 63,829.01

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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.