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Finding the Fourth Proportional to 114,265.58, 171,396.53 and 31,159.58

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Solution

The fourth proportional to 114,265.58, 171,396.53 and 31,159.58 is: 46,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,265.58 : 171,396.53 = 31,159.58 : x
  2. Step 2: Convert to fraction form
    114,265.58/171,396.53 = 31,159.58/x
  3. Step 3: Cross multiply
    114,265.58x = 171,396.53 × 31,159.58
  4. Step 4: Simplify right side
    114,265.58x = 5,340,642,875.48
  5. Step 5: Solve for x
    x = 5,340,642,875.48/114,265.58
  6. Step 6: Final answer
    x = 46,738.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.