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Finding the Fourth Proportional to 80,349.60, 110,880.54 and 46,358.16

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Solution

The fourth proportional to 80,349.60, 110,880.54 and 46,358.16 is: 63,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349.60 : 110,880.54 = 46,358.16 : x
  2. Step 2: Convert to fraction form
    80,349.60/110,880.54 = 46,358.16/x
  3. Step 3: Cross multiply
    80,349.60x = 110,880.54 × 46,358.16
  4. Step 4: Simplify right side
    80,349.60x = 5,140,217,814.21
  5. Step 5: Solve for x
    x = 5,140,217,814.21/80,349.60
  6. Step 6: Final answer
    x = 63,973.16

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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.