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Finding the Fourth Proportional to 173,885.20, 260,827.80 and 144,360.70

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Solution

The fourth proportional to 173,885.20, 260,827.80 and 144,360.70 is: 216,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,885.20 : 260,827.80 = 144,360.70 : x
  2. Step 2: Convert to fraction form
    173,885.20/260,827.80 = 144,360.70/x
  3. Step 3: Cross multiply
    173,885.20x = 260,827.80 × 144,360.70
  4. Step 4: Simplify right side
    173,885.20x = 37,653,283,787.46
  5. Step 5: Solve for x
    x = 37,653,283,787.46/173,885.20
  6. Step 6: Final answer
    x = 216,541.05

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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.