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Finding the Fourth Proportional to 249,833.28, 344,762.72 and 136,653.60

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Solution

The fourth proportional to 249,833.28, 344,762.72 and 136,653.60 is: 188,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,833.28 : 344,762.72 = 136,653.60 : x
  2. Step 2: Convert to fraction form
    249,833.28/344,762.72 = 136,653.60/x
  3. Step 3: Cross multiply
    249,833.28x = 344,762.72 × 136,653.60
  4. Step 4: Simplify right side
    249,833.28x = 47,113,066,833.79
  5. Step 5: Solve for x
    x = 47,113,066,833.79/249,833.28
  6. Step 6: Final answer
    x = 188,578.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.