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Finding the Fourth Proportional to 93,739.97, 129,363.74 and 53,460.29

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Solution

The fourth proportional to 93,739.97, 129,363.74 and 53,460.29 is: 73,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,739.97 : 129,363.74 = 53,460.29 : x
  2. Step 2: Convert to fraction form
    93,739.97/129,363.74 = 53,460.29/x
  3. Step 3: Cross multiply
    93,739.97x = 129,363.74 × 53,460.29
  4. Step 4: Simplify right side
    93,739.97x = 6,915,822,141.76
  5. Step 5: Solve for x
    x = 6,915,822,141.76/93,739.97
  6. Step 6: Final answer
    x = 73,776.67

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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.