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Finding the Fourth Proportional to 114,438.56, 157,918.88 and 63,448.31

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Solution

The fourth proportional to 114,438.56, 157,918.88 and 63,448.31 is: 87,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,438.56 : 157,918.88 = 63,448.31 : x
  2. Step 2: Convert to fraction form
    114,438.56/157,918.88 = 63,448.31/x
  3. Step 3: Cross multiply
    114,438.56x = 157,918.88 × 63,448.31
  4. Step 4: Simplify right side
    114,438.56x = 10,019,684,946.26
  5. Step 5: Solve for x
    x = 10,019,684,946.26/114,438.56
  6. Step 6: Final answer
    x = 87,555.15

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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.