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Finding the Fourth Proportional to 148,672.80, 223,009.20 and 48,848.40

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Solution

The fourth proportional to 148,672.80, 223,009.20 and 48,848.40 is: 73,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,672.80 : 223,009.20 = 48,848.40 : x
  2. Step 2: Convert to fraction form
    148,672.80/223,009.20 = 48,848.40/x
  3. Step 3: Cross multiply
    148,672.80x = 223,009.20 × 48,848.40
  4. Step 4: Simplify right side
    148,672.80x = 10,893,642,605.28
  5. Step 5: Solve for x
    x = 10,893,642,605.28/148,672.80
  6. Step 6: Final answer
    x = 73,272.60

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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.