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Finding the Fourth Proportional to 117,370.68, 175,968.52 and 70,612.64

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Solution

The fourth proportional to 117,370.68, 175,968.52 and 70,612.64 is: 105,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,370.68 : 175,968.52 = 70,612.64 : x
  2. Step 2: Convert to fraction form
    117,370.68/175,968.52 = 70,612.64/x
  3. Step 3: Cross multiply
    117,370.68x = 175,968.52 × 70,612.64
  4. Step 4: Simplify right side
    117,370.68x = 12,425,601,754.09
  5. Step 5: Solve for x
    x = 12,425,601,754.09/117,370.68
  6. Step 6: Final answer
    x = 105,866.32

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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.