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Finding the Fourth Proportional to 249,422.45, 374,133.69 and 149,457.47

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Solution

The fourth proportional to 249,422.45, 374,133.69 and 149,457.47 is: 224,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,422.45 : 374,133.69 = 149,457.47 : x
  2. Step 2: Convert to fraction form
    249,422.45/374,133.69 = 149,457.47/x
  3. Step 3: Cross multiply
    249,422.45x = 374,133.69 × 149,457.47
  4. Step 4: Simplify right side
    249,422.45x = 55,917,072,878.50
  5. Step 5: Solve for x
    x = 55,917,072,878.50/249,422.45
  6. Step 6: Final answer
    x = 224,186.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.