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Finding the Fourth Proportional to 158,492.80, 237,393.60 and 140,982.40

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Solution

The fourth proportional to 158,492.80, 237,393.60 and 140,982.40 is: 211,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,492.80 : 237,393.60 = 140,982.40 : x
  2. Step 2: Convert to fraction form
    158,492.80/237,393.60 = 140,982.40/x
  3. Step 3: Cross multiply
    158,492.80x = 237,393.60 × 140,982.40
  4. Step 4: Simplify right side
    158,492.80x = 33,468,319,472.64
  5. Step 5: Solve for x
    x = 33,468,319,472.64/158,492.80
  6. Step 6: Final answer
    x = 211,166.18

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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.