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Finding the Fourth Proportional to 114,042.40, 170,869.20 and 94,213.60

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Solution

The fourth proportional to 114,042.40, 170,869.20 and 94,213.60 is: 141,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,042.40 : 170,869.20 = 94,213.60 : x
  2. Step 2: Convert to fraction form
    114,042.40/170,869.20 = 94,213.60/x
  3. Step 3: Cross multiply
    114,042.40x = 170,869.20 × 94,213.60
  4. Step 4: Simplify right side
    114,042.40x = 16,098,202,461.12
  5. Step 5: Solve for x
    x = 16,098,202,461.12/114,042.40
  6. Step 6: Final answer
    x = 141,159.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.