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Finding the Fourth Proportional to 355,355.46, 532,954.91 and 102,581.06

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Solution

The fourth proportional to 355,355.46, 532,954.91 and 102,581.06 is: 153,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,355.46 : 532,954.91 = 102,581.06 : x
  2. Step 2: Convert to fraction form
    355,355.46/532,954.91 = 102,581.06/x
  3. Step 3: Cross multiply
    355,355.46x = 532,954.91 × 102,581.06
  4. Step 4: Simplify right side
    355,355.46x = 54,671,076,422.32
  5. Step 5: Solve for x
    x = 54,671,076,422.32/355,355.46
  6. Step 6: Final answer
    x = 153,848.98

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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.