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Finding the Fourth Proportional to 148,967.20, 223,537.20 and 55,482.40

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Solution

The fourth proportional to 148,967.20, 223,537.20 and 55,482.40 is: 83,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,967.20 : 223,537.20 = 55,482.40 : x
  2. Step 2: Convert to fraction form
    148,967.20/223,537.20 = 55,482.40/x
  3. Step 3: Cross multiply
    148,967.20x = 223,537.20 × 55,482.40
  4. Step 4: Simplify right side
    148,967.20x = 12,402,380,345.28
  5. Step 5: Solve for x
    x = 12,402,380,345.28/148,967.20
  6. Step 6: Final answer
    x = 83,255.78

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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.