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Finding the Fourth Proportional to 93,460.62, 128,974.98 and 51,019.14

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Solution

The fourth proportional to 93,460.62, 128,974.98 and 51,019.14 is: 70,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,460.62 : 128,974.98 = 51,019.14 : x
  2. Step 2: Convert to fraction form
    93,460.62/128,974.98 = 51,019.14/x
  3. Step 3: Cross multiply
    93,460.62x = 128,974.98 × 51,019.14
  4. Step 4: Simplify right side
    93,460.62x = 6,580,192,561.12
  5. Step 5: Solve for x
    x = 6,580,192,561.12/93,460.62
  6. Step 6: Final answer
    x = 70,406.04

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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.