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Finding the Fourth Proportional to 93,369.08, 128,838.12 and 53,082.92

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Solution

The fourth proportional to 93,369.08, 128,838.12 and 53,082.92 is: 73,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,369.08 : 128,838.12 = 53,082.92 : x
  2. Step 2: Convert to fraction form
    93,369.08/128,838.12 = 53,082.92/x
  3. Step 3: Cross multiply
    93,369.08x = 128,838.12 × 53,082.92
  4. Step 4: Simplify right side
    93,369.08x = 6,839,103,616.91
  5. Step 5: Solve for x
    x = 6,839,103,616.91/93,369.08
  6. Step 6: Final answer
    x = 73,248.06

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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.