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Finding the Fourth Proportional to 249,544.68, 344,406.78 and 158,871.68

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Solution

The fourth proportional to 249,544.68, 344,406.78 and 158,871.68 is: 219,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,544.68 : 344,406.78 = 158,871.68 : x
  2. Step 2: Convert to fraction form
    249,544.68/344,406.78 = 158,871.68/x
  3. Step 3: Cross multiply
    249,544.68x = 344,406.78 × 158,871.68
  4. Step 4: Simplify right side
    249,544.68x = 54,716,483,741.99
  5. Step 5: Solve for x
    x = 54,716,483,741.99/249,544.68
  6. Step 6: Final answer
    x = 219,265.28

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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.