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Finding the Fourth Proportional to 98,239.55, 147,365.80 and 35,953.79

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Solution

The fourth proportional to 98,239.55, 147,365.80 and 35,953.79 is: 53,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,239.55 : 147,365.80 = 35,953.79 : x
  2. Step 2: Convert to fraction form
    98,239.55/147,365.80 = 35,953.79/x
  3. Step 3: Cross multiply
    98,239.55x = 147,365.80 × 35,953.79
  4. Step 4: Simplify right side
    98,239.55x = 5,298,359,026.38
  5. Step 5: Solve for x
    x = 5,298,359,026.38/98,239.55
  6. Step 6: Final answer
    x = 53,933.05

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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.