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Finding the Fourth Proportional to 92,041.48, 138,041.64 and 35,883.08

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Solution

The fourth proportional to 92,041.48, 138,041.64 and 35,883.08 is: 53,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,041.48 : 138,041.64 = 35,883.08 : x
  2. Step 2: Convert to fraction form
    92,041.48/138,041.64 = 35,883.08/x
  3. Step 3: Cross multiply
    92,041.48x = 138,041.64 × 35,883.08
  4. Step 4: Simplify right side
    92,041.48x = 4,953,359,211.45
  5. Step 5: Solve for x
    x = 4,953,359,211.45/92,041.48
  6. Step 6: Final answer
    x = 53,816.60

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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.