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Finding the Fourth Proportional to 148,970.20, 223,494.90 and 64,694.20

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Solution

The fourth proportional to 148,970.20, 223,494.90 and 64,694.20 is: 97,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.20 : 223,494.90 = 64,694.20 : x
  2. Step 2: Convert to fraction form
    148,970.20/223,494.90 = 64,694.20/x
  3. Step 3: Cross multiply
    148,970.20x = 223,494.90 × 64,694.20
  4. Step 4: Simplify right side
    148,970.20x = 14,458,823,759.58
  5. Step 5: Solve for x
    x = 14,458,823,759.58/148,970.20
  6. Step 6: Final answer
    x = 97,058.50

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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.