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Finding the Fourth Proportional to 249,117.70, 343,772.52 and 147,176

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Solution

The fourth proportional to 249,117.70, 343,772.52 and 147,176 is: 203,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,117.70 : 343,772.52 = 147,176 : x
  2. Step 2: Convert to fraction form
    249,117.70/343,772.52 = 147,176/x
  3. Step 3: Cross multiply
    249,117.70x = 343,772.52 × 147,176
  4. Step 4: Simplify right side
    249,117.70x = 50,595,064,403.52
  5. Step 5: Solve for x
    x = 50,595,064,403.52/249,117.70
  6. Step 6: Final answer
    x = 203,097.03

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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.