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Finding the Fourth Proportional to 114,313.53, 157,758.24 and 68,990.69

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Solution

The fourth proportional to 114,313.53, 157,758.24 and 68,990.69 is: 95,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,313.53 : 157,758.24 = 68,990.69 : x
  2. Step 2: Convert to fraction form
    114,313.53/157,758.24 = 68,990.69/x
  3. Step 3: Cross multiply
    114,313.53x = 157,758.24 × 68,990.69
  4. Step 4: Simplify right side
    114,313.53x = 10,883,849,041.99
  5. Step 5: Solve for x
    x = 10,883,849,041.99/114,313.53
  6. Step 6: Final answer
    x = 95,210.51

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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.