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Finding the Fourth Proportional to 81,404.88, 112,345.80 and 45,594.24

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Solution

The fourth proportional to 81,404.88, 112,345.80 and 45,594.24 is: 62,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404.88 : 112,345.80 = 45,594.24 : x
  2. Step 2: Convert to fraction form
    81,404.88/112,345.80 = 45,594.24/x
  3. Step 3: Cross multiply
    81,404.88x = 112,345.80 × 45,594.24
  4. Step 4: Simplify right side
    81,404.88x = 5,122,321,368.19
  5. Step 5: Solve for x
    x = 5,122,321,368.19/81,404.88
  6. Step 6: Final answer
    x = 62,924.01

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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.