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Finding the Fourth Proportional to 97,485.80, 146,228.70 and 88,884.20

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Solution

The fourth proportional to 97,485.80, 146,228.70 and 88,884.20 is: 133,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,485.80 : 146,228.70 = 88,884.20 : x
  2. Step 2: Convert to fraction form
    97,485.80/146,228.70 = 88,884.20/x
  3. Step 3: Cross multiply
    97,485.80x = 146,228.70 × 88,884.20
  4. Step 4: Simplify right side
    97,485.80x = 12,997,421,016.54
  5. Step 5: Solve for x
    x = 12,997,421,016.54/97,485.80
  6. Step 6: Final answer
    x = 133,326.30

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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.