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Finding the Fourth Proportional to 78,494.93, 108,284.91 and 46,641.27

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Solution

The fourth proportional to 78,494.93, 108,284.91 and 46,641.27 is: 64,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,494.93 : 108,284.91 = 46,641.27 : x
  2. Step 2: Convert to fraction form
    78,494.93/108,284.91 = 46,641.27/x
  3. Step 3: Cross multiply
    78,494.93x = 108,284.91 × 46,641.27
  4. Step 4: Simplify right side
    78,494.93x = 5,050,545,724.24
  5. Step 5: Solve for x
    x = 5,050,545,724.24/78,494.93
  6. Step 6: Final answer
    x = 64,342.32

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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.