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Finding the Fourth Proportional to 249,512.34, 343,968.51 and 177,767.80

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Solution

The fourth proportional to 249,512.34, 343,968.51 and 177,767.80 is: 245,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,512.34 : 343,968.51 = 177,767.80 : x
  2. Step 2: Convert to fraction form
    249,512.34/343,968.51 = 177,767.80/x
  3. Step 3: Cross multiply
    249,512.34x = 343,968.51 × 177,767.80
  4. Step 4: Simplify right side
    249,512.34x = 61,146,525,291.98
  5. Step 5: Solve for x
    x = 61,146,525,291.98/249,512.34
  6. Step 6: Final answer
    x = 245,064.13

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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.