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Finding the Fourth Proportional to 114,459.51, 157,953.87 and 63,470.98

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Solution

The fourth proportional to 114,459.51, 157,953.87 and 63,470.98 is: 87,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,459.51 : 157,953.87 = 63,470.98 : x
  2. Step 2: Convert to fraction form
    114,459.51/157,953.87 = 63,470.98/x
  3. Step 3: Cross multiply
    114,459.51x = 157,953.87 × 63,470.98
  4. Step 4: Simplify right side
    114,459.51x = 10,025,486,923.69
  5. Step 5: Solve for x
    x = 10,025,486,923.69/114,459.51
  6. Step 6: Final answer
    x = 87,589.81

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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.