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Finding the Fourth Proportional to 92,668.88, 127,881.67 and 52,381.23

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Solution

The fourth proportional to 92,668.88, 127,881.67 and 52,381.23 is: 72,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.88 : 127,881.67 = 52,381.23 : x
  2. Step 2: Convert to fraction form
    92,668.88/127,881.67 = 52,381.23/x
  3. Step 3: Cross multiply
    92,668.88x = 127,881.67 × 52,381.23
  4. Step 4: Simplify right side
    92,668.88x = 6,698,598,267.74
  5. Step 5: Solve for x
    x = 6,698,598,267.74/92,668.88
  6. Step 6: Final answer
    x = 72,285.31

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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.