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Finding the Fourth Proportional to 114,164.85, 157,543.62 and 63,179.74

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Solution

The fourth proportional to 114,164.85, 157,543.62 and 63,179.74 is: 87,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,164.85 : 157,543.62 = 63,179.74 : x
  2. Step 2: Convert to fraction form
    114,164.85/157,543.62 = 63,179.74/x
  3. Step 3: Cross multiply
    114,164.85x = 157,543.62 × 63,179.74
  4. Step 4: Simplify right side
    114,164.85x = 9,953,564,162.54
  5. Step 5: Solve for x
    x = 9,953,564,162.54/114,164.85
  6. Step 6: Final answer
    x = 87,185.89

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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.