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Finding the Fourth Proportional to 249,296.49, 343,854.59 and 168,688.53

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Solution

The fourth proportional to 249,296.49, 343,854.59 and 168,688.53 is: 232,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,296.49 : 343,854.59 = 168,688.53 : x
  2. Step 2: Convert to fraction form
    249,296.49/343,854.59 = 168,688.53/x
  3. Step 3: Cross multiply
    249,296.49x = 343,854.59 × 168,688.53
  4. Step 4: Simplify right side
    249,296.49x = 58,004,324,477.41
  5. Step 5: Solve for x
    x = 58,004,324,477.41/249,296.49
  6. Step 6: Final answer
    x = 232,672.05

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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.