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Finding the Fourth Proportional to 99,335.40, 148,959.90 and 32,749.80

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Solution

The fourth proportional to 99,335.40, 148,959.90 and 32,749.80 is: 49,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.40 : 148,959.90 = 32,749.80 : x
  2. Step 2: Convert to fraction form
    99,335.40/148,959.90 = 32,749.80/x
  3. Step 3: Cross multiply
    99,335.40x = 148,959.90 × 32,749.80
  4. Step 4: Simplify right side
    99,335.40x = 4,878,406,933.02
  5. Step 5: Solve for x
    x = 4,878,406,933.02/99,335.40
  6. Step 6: Final answer
    x = 49,110.46

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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.