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Finding the Fourth Proportional to 93,624.76, 129,189.88 and 55,891

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Solution

The fourth proportional to 93,624.76, 129,189.88 and 55,891 is: 77,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,624.76 : 129,189.88 = 55,891 : x
  2. Step 2: Convert to fraction form
    93,624.76/129,189.88 = 55,891/x
  3. Step 3: Cross multiply
    93,624.76x = 129,189.88 × 55,891
  4. Step 4: Simplify right side
    93,624.76x = 7,220,551,583.08
  5. Step 5: Solve for x
    x = 7,220,551,583.08/93,624.76
  6. Step 6: Final answer
    x = 77,122.24

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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.