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Finding the Fourth Proportional to 249,102, 343,916.28 and 159,833.52

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Solution

The fourth proportional to 249,102, 343,916.28 and 159,833.52 is: 220,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,102 : 343,916.28 = 159,833.52 : x
  2. Step 2: Convert to fraction form
    249,102/343,916.28 = 159,833.52/x
  3. Step 3: Cross multiply
    249,102x = 343,916.28 × 159,833.52
  4. Step 4: Simplify right side
    249,102x = 54,969,349,617.71
  5. Step 5: Solve for x
    x = 54,969,349,617.71/249,102
  6. Step 6: Final answer
    x = 220,670.05

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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.