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Finding the Fourth Proportional to 114,165.85, 157,545 and 63,180.74

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Solution

The fourth proportional to 114,165.85, 157,545 and 63,180.74 is: 87,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,165.85 : 157,545 = 63,180.74 : x
  2. Step 2: Convert to fraction form
    114,165.85/157,545 = 63,180.74/x
  3. Step 3: Cross multiply
    114,165.85x = 157,545 × 63,180.74
  4. Step 4: Simplify right side
    114,165.85x = 9,953,809,683.30
  5. Step 5: Solve for x
    x = 9,953,809,683.30/114,165.85
  6. Step 6: Final answer
    x = 87,187.28

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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.