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Finding the Fourth Proportional to 114,352.32, 157,883.21 and 71,397.21

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Solution

The fourth proportional to 114,352.32, 157,883.21 and 71,397.21 is: 98,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,352.32 : 157,883.21 = 71,397.21 : x
  2. Step 2: Convert to fraction form
    114,352.32/157,883.21 = 71,397.21/x
  3. Step 3: Cross multiply
    114,352.32x = 157,883.21 × 71,397.21
  4. Step 4: Simplify right side
    114,352.32x = 11,272,420,699.84
  5. Step 5: Solve for x
    x = 11,272,420,699.84/114,352.32
  6. Step 6: Final answer
    x = 98,576.23

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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.