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Finding the Fourth Proportional to 358,443.41, 537,664.43 and 105,901.29

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Solution

The fourth proportional to 358,443.41, 537,664.43 and 105,901.29 is: 158,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,443.41 : 537,664.43 = 105,901.29 : x
  2. Step 2: Convert to fraction form
    358,443.41/537,664.43 = 105,901.29/x
  3. Step 3: Cross multiply
    358,443.41x = 537,664.43 × 105,901.29
  4. Step 4: Simplify right side
    358,443.41x = 56,939,356,988.87
  5. Step 5: Solve for x
    x = 56,939,356,988.87/358,443.41
  6. Step 6: Final answer
    x = 158,851.73

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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.