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Finding the Fourth Proportional to 249,363, 373,795.05 and 89,395.41

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Solution

The fourth proportional to 249,363, 373,795.05 and 89,395.41 is: 134,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,363 : 373,795.05 = 89,395.41 : x
  2. Step 2: Convert to fraction form
    249,363/373,795.05 = 89,395.41/x
  3. Step 3: Cross multiply
    249,363x = 373,795.05 × 89,395.41
  4. Step 4: Simplify right side
    249,363x = 33,415,561,750.72
  5. Step 5: Solve for x
    x = 33,415,561,750.72/249,363
  6. Step 6: Final answer
    x = 134,003.69

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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.