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Finding the Fourth Proportional to 114,358.86, 157,816.16 and 63,372.45

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Solution

The fourth proportional to 114,358.86, 157,816.16 and 63,372.45 is: 87,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.86 : 157,816.16 = 63,372.45 : x
  2. Step 2: Convert to fraction form
    114,358.86/157,816.16 = 63,372.45/x
  3. Step 3: Cross multiply
    114,358.86x = 157,816.16 × 63,372.45
  4. Step 4: Simplify right side
    114,358.86x = 10,001,196,708.79
  5. Step 5: Solve for x
    x = 10,001,196,708.79/114,358.86
  6. Step 6: Final answer
    x = 87,454.50

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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.