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Finding the Fourth Proportional to 93,449.93, 128,960.91 and 51,008.46

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Solution

The fourth proportional to 93,449.93, 128,960.91 and 51,008.46 is: 70,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,449.93 : 128,960.91 = 51,008.46 : x
  2. Step 2: Convert to fraction form
    93,449.93/128,960.91 = 51,008.46/x
  3. Step 3: Cross multiply
    93,449.93x = 128,960.91 × 51,008.46
  4. Step 4: Simplify right side
    93,449.93x = 6,578,097,419.30
  5. Step 5: Solve for x
    x = 6,578,097,419.30/93,449.93
  6. Step 6: Final answer
    x = 70,391.68

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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.