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Finding the Fourth Proportional to 93,984.77, 129,705.86 and 53,697.67

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Solution

The fourth proportional to 93,984.77, 129,705.86 and 53,697.67 is: 74,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984.77 : 129,705.86 = 53,697.67 : x
  2. Step 2: Convert to fraction form
    93,984.77/129,705.86 = 53,697.67/x
  3. Step 3: Cross multiply
    93,984.77x = 129,705.86 × 53,697.67
  4. Step 4: Simplify right side
    93,984.77x = 6,964,901,874.59
  5. Step 5: Solve for x
    x = 6,964,901,874.59/93,984.77
  6. Step 6: Final answer
    x = 74,106.71

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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.