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Finding the Fourth Proportional to 93,583.76, 129,154.57 and 53,310.56

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Solution

The fourth proportional to 93,583.76, 129,154.57 and 53,310.56 is: 73,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.76 : 129,154.57 = 53,310.56 : x
  2. Step 2: Convert to fraction form
    93,583.76/129,154.57 = 53,310.56/x
  3. Step 3: Cross multiply
    93,583.76x = 129,154.57 × 53,310.56
  4. Step 4: Simplify right side
    93,583.76x = 6,885,301,674.21
  5. Step 5: Solve for x
    x = 6,885,301,674.21/93,583.76
  6. Step 6: Final answer
    x = 73,573.68

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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.