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Finding the Fourth Proportional to 113,471.52, 170,088.96 and 63,478.32

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Solution

The fourth proportional to 113,471.52, 170,088.96 and 63,478.32 is: 95,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,471.52 : 170,088.96 = 63,478.32 : x
  2. Step 2: Convert to fraction form
    113,471.52/170,088.96 = 63,478.32/x
  3. Step 3: Cross multiply
    113,471.52x = 170,088.96 × 63,478.32
  4. Step 4: Simplify right side
    113,471.52x = 10,796,961,431.35
  5. Step 5: Solve for x
    x = 10,796,961,431.35/113,471.52
  6. Step 6: Final answer
    x = 95,151.29

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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.