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Finding the Fourth Proportional to 117,532.17, 176,219.97 and 42,642.63

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Solution

The fourth proportional to 117,532.17, 176,219.97 and 42,642.63 is: 63,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.17 : 176,219.97 = 42,642.63 : x
  2. Step 2: Convert to fraction form
    117,532.17/176,219.97 = 42,642.63/x
  3. Step 3: Cross multiply
    117,532.17x = 176,219.97 × 42,642.63
  4. Step 4: Simplify right side
    117,532.17x = 7,514,482,979.32
  5. Step 5: Solve for x
    x = 7,514,482,979.32/117,532.17
  6. Step 6: Final answer
    x = 63,935.54

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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.