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Finding the Fourth Proportional to 249,508.56, 374,262.47 and 99,783.96

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Solution

The fourth proportional to 249,508.56, 374,262.47 and 99,783.96 is: 149,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,508.56 : 374,262.47 = 99,783.96 : x
  2. Step 2: Convert to fraction form
    249,508.56/374,262.47 = 99,783.96/x
  3. Step 3: Cross multiply
    249,508.56x = 374,262.47 × 99,783.96
  4. Step 4: Simplify right side
    249,508.56x = 37,345,391,538.80
  5. Step 5: Solve for x
    x = 37,345,391,538.80/249,508.56
  6. Step 6: Final answer
    x = 149,675.79

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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.