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Finding the Fourth Proportional to 249,750.81, 374,764.73 and 109,505.79

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Solution

The fourth proportional to 249,750.81, 374,764.73 and 109,505.79 is: 164,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,750.81 : 374,764.73 = 109,505.79 : x
  2. Step 2: Convert to fraction form
    249,750.81/374,764.73 = 109,505.79/x
  3. Step 3: Cross multiply
    249,750.81x = 374,764.73 × 109,505.79
  4. Step 4: Simplify right side
    249,750.81x = 41,038,907,275.26
  5. Step 5: Solve for x
    x = 41,038,907,275.26/249,750.81
  6. Step 6: Final answer
    x = 164,319.42

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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.