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Finding the Fourth Proportional to 93,858.75, 129,525.08 and 56,133

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Solution

The fourth proportional to 93,858.75, 129,525.08 and 56,133 is: 77,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,858.75 : 129,525.08 = 56,133 : x
  2. Step 2: Convert to fraction form
    93,858.75/129,525.08 = 56,133/x
  3. Step 3: Cross multiply
    93,858.75x = 129,525.08 × 56,133
  4. Step 4: Simplify right side
    93,858.75x = 7,270,631,034.98
  5. Step 5: Solve for x
    x = 7,270,631,034.98/93,858.75
  6. Step 6: Final answer
    x = 77,463.54

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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.