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Finding the Fourth Proportional to 249,303.50, 343,864.24 and 168,695.54

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Solution

The fourth proportional to 249,303.50, 343,864.24 and 168,695.54 is: 232,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,303.50 : 343,864.24 = 168,695.54 : x
  2. Step 2: Convert to fraction form
    249,303.50/343,864.24 = 168,695.54/x
  3. Step 3: Cross multiply
    249,303.50x = 343,864.24 × 168,695.54
  4. Step 4: Simplify right side
    249,303.50x = 58,008,363,653.49
  5. Step 5: Solve for x
    x = 58,008,363,653.49/249,303.50
  6. Step 6: Final answer
    x = 232,681.71

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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.