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Finding the Fourth Proportional to 89,000.88, 122,848.56 and 51,300.24

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Solution

The fourth proportional to 89,000.88, 122,848.56 and 51,300.24 is: 70,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,000.88 : 122,848.56 = 51,300.24 : x
  2. Step 2: Convert to fraction form
    89,000.88/122,848.56 = 51,300.24/x
  3. Step 3: Cross multiply
    89,000.88x = 122,848.56 × 51,300.24
  4. Step 4: Simplify right side
    89,000.88x = 6,302,160,611.65
  5. Step 5: Solve for x
    x = 6,302,160,611.65/89,000.88
  6. Step 6: Final answer
    x = 70,810.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.