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Finding the Fourth Proportional to 249,023.84, 343,638.88 and 141,579.04

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Solution

The fourth proportional to 249,023.84, 343,638.88 and 141,579.04 is: 195,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,023.84 : 343,638.88 = 141,579.04 : x
  2. Step 2: Convert to fraction form
    249,023.84/343,638.88 = 141,579.04/x
  3. Step 3: Cross multiply
    249,023.84x = 343,638.88 × 141,579.04
  4. Step 4: Simplify right side
    249,023.84x = 48,652,062,737.08
  5. Step 5: Solve for x
    x = 48,652,062,737.08/249,023.84
  6. Step 6: Final answer
    x = 195,371.10

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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.