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Finding the Fourth Proportional to 114,319.92, 157,769.80 and 69,008.94

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Solution

The fourth proportional to 114,319.92, 157,769.80 and 69,008.94 is: 95,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,319.92 : 157,769.80 = 69,008.94 : x
  2. Step 2: Convert to fraction form
    114,319.92/157,769.80 = 69,008.94/x
  3. Step 3: Cross multiply
    114,319.92x = 157,769.80 × 69,008.94
  4. Step 4: Simplify right side
    114,319.92x = 10,887,526,662.01
  5. Step 5: Solve for x
    x = 10,887,526,662.01/114,319.92
  6. Step 6: Final answer
    x = 95,237.35

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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.