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Finding the Fourth Proportional to 152,454.84, 228,640.95 and 63,689.78

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Solution

The fourth proportional to 152,454.84, 228,640.95 and 63,689.78 is: 95,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454.84 : 228,640.95 = 63,689.78 : x
  2. Step 2: Convert to fraction form
    152,454.84/228,640.95 = 63,689.78/x
  3. Step 3: Cross multiply
    152,454.84x = 228,640.95 × 63,689.78
  4. Step 4: Simplify right side
    152,454.84x = 14,562,090,661.29
  5. Step 5: Solve for x
    x = 14,562,090,661.29/152,454.84
  6. Step 6: Final answer
    x = 95,517.40

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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.