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Finding the Fourth Proportional to 249,673.56, 374,473.48 and 91,865.32

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Solution

The fourth proportional to 249,673.56, 374,473.48 and 91,865.32 is: 137,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,673.56 : 374,473.48 = 91,865.32 : x
  2. Step 2: Convert to fraction form
    249,673.56/374,473.48 = 91,865.32/x
  3. Step 3: Cross multiply
    249,673.56x = 374,473.48 × 91,865.32
  4. Step 4: Simplify right side
    249,673.56x = 34,401,126,071.71
  5. Step 5: Solve for x
    x = 34,401,126,071.71/249,673.56
  6. Step 6: Final answer
    x = 137,784.42

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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.