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Finding the Fourth Proportional to 92,807.64, 128,074.62 and 50,366.16

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Solution

The fourth proportional to 92,807.64, 128,074.62 and 50,366.16 is: 69,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,807.64 : 128,074.62 = 50,366.16 : x
  2. Step 2: Convert to fraction form
    92,807.64/128,074.62 = 50,366.16/x
  3. Step 3: Cross multiply
    92,807.64x = 128,074.62 × 50,366.16
  4. Step 4: Simplify right side
    92,807.64x = 6,450,626,802.86
  5. Step 5: Solve for x
    x = 6,450,626,802.86/92,807.64
  6. Step 6: Final answer
    x = 69,505.34

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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.