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Finding the Fourth Proportional to 93,021.30, 130,463.10 and 93,021.30

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Solution

The fourth proportional to 93,021.30, 130,463.10 and 93,021.30 is: 130,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.30 : 130,463.10 = 93,021.30 : x
  2. Step 2: Convert to fraction form
    93,021.30/130,463.10 = 93,021.30/x
  3. Step 3: Cross multiply
    93,021.30x = 130,463.10 × 93,021.30
  4. Step 4: Simplify right side
    93,021.30x = 12,135,847,164.03
  5. Step 5: Solve for x
    x = 12,135,847,164.03/93,021.30
  6. Step 6: Final answer
    x = 130,463.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.