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Finding the Fourth Proportional to 93,984.67, 129,705.72 and 53,697.56

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Solution

The fourth proportional to 93,984.67, 129,705.72 and 53,697.56 is: 74,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984.67 : 129,705.72 = 53,697.56 : x
  2. Step 2: Convert to fraction form
    93,984.67/129,705.72 = 53,697.56/x
  3. Step 3: Cross multiply
    93,984.67x = 129,705.72 × 53,697.56
  4. Step 4: Simplify right side
    93,984.67x = 6,964,880,682.04
  5. Step 5: Solve for x
    x = 6,964,880,682.04/93,984.67
  6. Step 6: Final answer
    x = 74,106.56

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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.