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Finding the Fourth Proportional to 112,653.44, 155,464.17 and 62,352.44

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Solution

The fourth proportional to 112,653.44, 155,464.17 and 62,352.44 is: 86,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,653.44 : 155,464.17 = 62,352.44 : x
  2. Step 2: Convert to fraction form
    112,653.44/155,464.17 = 62,352.44/x
  3. Step 3: Cross multiply
    112,653.44x = 155,464.17 × 62,352.44
  4. Step 4: Simplify right side
    112,653.44x = 9,693,570,332.07
  5. Step 5: Solve for x
    x = 9,693,570,332.07/112,653.44
  6. Step 6: Final answer
    x = 86,047.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.