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Finding the Fourth Proportional to 93,606.59, 129,171.12 and 53,319.62

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Solution

The fourth proportional to 93,606.59, 129,171.12 and 53,319.62 is: 73,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606.59 : 129,171.12 = 53,319.62 : x
  2. Step 2: Convert to fraction form
    93,606.59/129,171.12 = 53,319.62/x
  3. Step 3: Cross multiply
    93,606.59x = 129,171.12 × 53,319.62
  4. Step 4: Simplify right side
    93,606.59x = 6,887,355,033.37
  5. Step 5: Solve for x
    x = 6,887,355,033.37/93,606.59
  6. Step 6: Final answer
    x = 73,577.67

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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.