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Finding the Fourth Proportional to 114,308.55, 157,748.34 and 65,249.17

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Solution

The fourth proportional to 114,308.55, 157,748.34 and 65,249.17 is: 90,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,308.55 : 157,748.34 = 65,249.17 : x
  2. Step 2: Convert to fraction form
    114,308.55/157,748.34 = 65,249.17/x
  3. Step 3: Cross multiply
    114,308.55x = 157,748.34 × 65,249.17
  4. Step 4: Simplify right side
    114,308.55x = 10,292,948,451.06
  5. Step 5: Solve for x
    x = 10,292,948,451.06/114,308.55
  6. Step 6: Final answer
    x = 90,045.30

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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.