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Finding the Fourth Proportional to 249,759.66, 344,668.14 and 136,582.38

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Solution

The fourth proportional to 249,759.66, 344,668.14 and 136,582.38 is: 188,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,759.66 : 344,668.14 = 136,582.38 : x
  2. Step 2: Convert to fraction form
    249,759.66/344,668.14 = 136,582.38/x
  3. Step 3: Cross multiply
    249,759.66x = 344,668.14 × 136,582.38
  4. Step 4: Simplify right side
    249,759.66x = 47,075,594,871.37
  5. Step 5: Solve for x
    x = 47,075,594,871.37/249,759.66
  6. Step 6: Final answer
    x = 188,483.58

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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.