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Finding the Fourth Proportional to 175,753.60, 263,630.40 and 70,518.40

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Solution

The fourth proportional to 175,753.60, 263,630.40 and 70,518.40 is: 105,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,753.60 : 263,630.40 = 70,518.40 : x
  2. Step 2: Convert to fraction form
    175,753.60/263,630.40 = 70,518.40/x
  3. Step 3: Cross multiply
    175,753.60x = 263,630.40 × 70,518.40
  4. Step 4: Simplify right side
    175,753.60x = 18,590,793,999.36
  5. Step 5: Solve for x
    x = 18,590,793,999.36/175,753.60
  6. Step 6: Final answer
    x = 105,777.60

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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.