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Finding the Fourth Proportional to 176,716.53, 243,866.13 and 96,142.21

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Solution

The fourth proportional to 176,716.53, 243,866.13 and 96,142.21 is: 132,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,716.53 : 243,866.13 = 96,142.21 : x
  2. Step 2: Convert to fraction form
    176,716.53/243,866.13 = 96,142.21/x
  3. Step 3: Cross multiply
    176,716.53x = 243,866.13 × 96,142.21
  4. Step 4: Simplify right side
    176,716.53x = 23,445,828,987.18
  5. Step 5: Solve for x
    x = 23,445,828,987.18/176,716.53
  6. Step 6: Final answer
    x = 132,674.79

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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.