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Finding the Fourth Proportional to 152,681.10, 228,912.30 and 63,888.90

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Solution

The fourth proportional to 152,681.10, 228,912.30 and 63,888.90 is: 95,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,681.10 : 228,912.30 = 63,888.90 : x
  2. Step 2: Convert to fraction form
    152,681.10/228,912.30 = 63,888.90/x
  3. Step 3: Cross multiply
    152,681.10x = 228,912.30 × 63,888.90
  4. Step 4: Simplify right side
    152,681.10x = 14,624,955,043.47
  5. Step 5: Solve for x
    x = 14,624,955,043.47/152,681.10
  6. Step 6: Final answer
    x = 95,787.59

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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.