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Finding the Fourth Proportional to 249,775.44, 344,689.36 and 135,053.27

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Solution

The fourth proportional to 249,775.44, 344,689.36 and 135,053.27 is: 186,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,775.44 : 344,689.36 = 135,053.27 : x
  2. Step 2: Convert to fraction form
    249,775.44/344,689.36 = 135,053.27/x
  3. Step 3: Cross multiply
    249,775.44x = 344,689.36 × 135,053.27
  4. Step 4: Simplify right side
    249,775.44x = 46,551,423,478.76
  5. Step 5: Solve for x
    x = 46,551,423,478.76/249,775.44
  6. Step 6: Final answer
    x = 186,373.11

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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.