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Finding the Fourth Proportional to 97,866.30, 146,799.45 and 84,744.30

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Solution

The fourth proportional to 97,866.30, 146,799.45 and 84,744.30 is: 127,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,866.30 : 146,799.45 = 84,744.30 : x
  2. Step 2: Convert to fraction form
    97,866.30/146,799.45 = 84,744.30/x
  3. Step 3: Cross multiply
    97,866.30x = 146,799.45 × 84,744.30
  4. Step 4: Simplify right side
    97,866.30x = 12,440,416,630.64
  5. Step 5: Solve for x
    x = 12,440,416,630.64/97,866.30
  6. Step 6: Final answer
    x = 127,116.45

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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.