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Finding the Fourth Proportional to 445,562.52, 668,332.68 and 130,022.16

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Solution

The fourth proportional to 445,562.52, 668,332.68 and 130,022.16 is: 195,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,562.52 : 668,332.68 = 130,022.16 : x
  2. Step 2: Convert to fraction form
    445,562.52/668,332.68 = 130,022.16/x
  3. Step 3: Cross multiply
    445,562.52x = 668,332.68 × 130,022.16
  4. Step 4: Simplify right side
    445,562.52x = 86,898,058,652.19
  5. Step 5: Solve for x
    x = 86,898,058,652.19/445,562.52
  6. Step 6: Final answer
    x = 195,030.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.