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Finding the Fourth Proportional to 93,405.96, 128,896.11 and 53,123.04

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Solution

The fourth proportional to 93,405.96, 128,896.11 and 53,123.04 is: 73,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,405.96 : 128,896.11 = 53,123.04 : x
  2. Step 2: Convert to fraction form
    93,405.96/128,896.11 = 53,123.04/x
  3. Step 3: Cross multiply
    93,405.96x = 128,896.11 × 53,123.04
  4. Step 4: Simplify right side
    93,405.96x = 6,847,353,207.37
  5. Step 5: Solve for x
    x = 6,847,353,207.37/93,405.96
  6. Step 6: Final answer
    x = 73,307.45

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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.