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Finding the Fourth Proportional to 249,208.28, 343,903.03 and 141,776.01

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Solution

The fourth proportional to 249,208.28, 343,903.03 and 141,776.01 is: 195,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,208.28 : 343,903.03 = 141,776.01 : x
  2. Step 2: Convert to fraction form
    249,208.28/343,903.03 = 141,776.01/x
  3. Step 3: Cross multiply
    249,208.28x = 343,903.03 × 141,776.01
  4. Step 4: Simplify right side
    249,208.28x = 48,757,199,420.31
  5. Step 5: Solve for x
    x = 48,757,199,420.31/249,208.28
  6. Step 6: Final answer
    x = 195,648.39

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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.