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Finding the Fourth Proportional to 88,673.40, 133,058.70 and 36,120.60

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Solution

The fourth proportional to 88,673.40, 133,058.70 and 36,120.60 is: 54,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.40 : 133,058.70 = 36,120.60 : x
  2. Step 2: Convert to fraction form
    88,673.40/133,058.70 = 36,120.60/x
  3. Step 3: Cross multiply
    88,673.40x = 133,058.70 × 36,120.60
  4. Step 4: Simplify right side
    88,673.40x = 4,806,160,079.22
  5. Step 5: Solve for x
    x = 4,806,160,079.22/88,673.40
  6. Step 6: Final answer
    x = 54,200.70

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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.