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Finding the Fourth Proportional to 93,857.59, 129,532.76 and 53,577.42

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Solution

The fourth proportional to 93,857.59, 129,532.76 and 53,577.42 is: 73,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,857.59 : 129,532.76 = 53,577.42 : x
  2. Step 2: Convert to fraction form
    93,857.59/129,532.76 = 53,577.42/x
  3. Step 3: Cross multiply
    93,857.59x = 129,532.76 × 53,577.42
  4. Step 4: Simplify right side
    93,857.59x = 6,940,031,070.49
  5. Step 5: Solve for x
    x = 6,940,031,070.49/93,857.59
  6. Step 6: Final answer
    x = 73,942.14

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Double scale
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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.