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Finding the Fourth Proportional to 114,308.09, 157,822.17 and 71,352.98

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Solution

The fourth proportional to 114,308.09, 157,822.17 and 71,352.98 is: 98,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,308.09 : 157,822.17 = 71,352.98 : x
  2. Step 2: Convert to fraction form
    114,308.09/157,822.17 = 71,352.98/x
  3. Step 3: Cross multiply
    114,308.09x = 157,822.17 × 71,352.98
  4. Step 4: Simplify right side
    114,308.09x = 11,261,081,350.46
  5. Step 5: Solve for x
    x = 11,261,081,350.46/114,308.09
  6. Step 6: Final answer
    x = 98,515.18

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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.