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Finding the Fourth Proportional to 93,763.44, 129,384.54 and 53,475.12

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Solution

The fourth proportional to 93,763.44, 129,384.54 and 53,475.12 is: 73,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.44 : 129,384.54 = 53,475.12 : x
  2. Step 2: Convert to fraction form
    93,763.44/129,384.54 = 53,475.12/x
  3. Step 3: Cross multiply
    93,763.44x = 129,384.54 × 53,475.12
  4. Step 4: Simplify right side
    93,763.44x = 6,918,853,802.64
  5. Step 5: Solve for x
    x = 6,918,853,802.64/93,763.44
  6. Step 6: Final answer
    x = 73,790.53

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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.