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Finding the Fourth Proportional to 93,334.15, 128,812.22 and 58,928.86

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Solution

The fourth proportional to 93,334.15, 128,812.22 and 58,928.86 is: 81,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,334.15 : 128,812.22 = 58,928.86 : x
  2. Step 2: Convert to fraction form
    93,334.15/128,812.22 = 58,928.86/x
  3. Step 3: Cross multiply
    93,334.15x = 128,812.22 × 58,928.86
  4. Step 4: Simplify right side
    93,334.15x = 7,590,757,278.67
  5. Step 5: Solve for x
    x = 7,590,757,278.67/93,334.15
  6. Step 6: Final answer
    x = 81,328.83

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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.