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Finding the Fourth Proportional to 93,670.80, 140,506.20 and 70,051.20

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Solution

The fourth proportional to 93,670.80, 140,506.20 and 70,051.20 is: 105,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.80 : 140,506.20 = 70,051.20 : x
  2. Step 2: Convert to fraction form
    93,670.80/140,506.20 = 70,051.20/x
  3. Step 3: Cross multiply
    93,670.80x = 140,506.20 × 70,051.20
  4. Step 4: Simplify right side
    93,670.80x = 9,842,627,917.44
  5. Step 5: Solve for x
    x = 9,842,627,917.44/93,670.80
  6. Step 6: Final answer
    x = 105,076.80

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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.