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Finding the Fourth Proportional to 117,176.08, 175,764.12 and 28,428.16

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Solution

The fourth proportional to 117,176.08, 175,764.12 and 28,428.16 is: 42,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.08 : 175,764.12 = 28,428.16 : x
  2. Step 2: Convert to fraction form
    117,176.08/175,764.12 = 28,428.16/x
  3. Step 3: Cross multiply
    117,176.08x = 175,764.12 × 28,428.16
  4. Step 4: Simplify right side
    117,176.08x = 4,996,650,525.62
  5. Step 5: Solve for x
    x = 4,996,650,525.62/117,176.08
  6. Step 6: Final answer
    x = 42,642.24

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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.