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Finding the Fourth Proportional to 89,000.45, 124,367.35 and 89,000.45

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Solution

The fourth proportional to 89,000.45, 124,367.35 and 89,000.45 is: 124,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,000.45 : 124,367.35 = 89,000.45 : x
  2. Step 2: Convert to fraction form
    89,000.45/124,367.35 = 89,000.45/x
  3. Step 3: Cross multiply
    89,000.45x = 124,367.35 × 89,000.45
  4. Step 4: Simplify right side
    89,000.45x = 11,068,750,115.31
  5. Step 5: Solve for x
    x = 11,068,750,115.31/89,000.45
  6. Step 6: Final answer
    x = 124,367.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.