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Finding the Fourth Proportional to 83,887.34, 115,764.48 and 46,161.59

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Solution

The fourth proportional to 83,887.34, 115,764.48 and 46,161.59 is: 63,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,887.34 : 115,764.48 = 46,161.59 : x
  2. Step 2: Convert to fraction form
    83,887.34/115,764.48 = 46,161.59/x
  3. Step 3: Cross multiply
    83,887.34x = 115,764.48 × 46,161.59
  4. Step 4: Simplify right side
    83,887.34x = 5,343,871,883.50
  5. Step 5: Solve for x
    x = 5,343,871,883.50/83,887.34
  6. Step 6: Final answer
    x = 63,702.96

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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.