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Finding the Fourth Proportional to 176,373.75, 243,302.48 and 111,728.94

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Solution

The fourth proportional to 176,373.75, 243,302.48 and 111,728.94 is: 154,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,373.75 : 243,302.48 = 111,728.94 : x
  2. Step 2: Convert to fraction form
    176,373.75/243,302.48 = 111,728.94/x
  3. Step 3: Cross multiply
    176,373.75x = 243,302.48 × 111,728.94
  4. Step 4: Simplify right side
    176,373.75x = 27,183,928,189.77
  5. Step 5: Solve for x
    x = 27,183,928,189.77/176,373.75
  6. Step 6: Final answer
    x = 154,126.84

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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.