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Finding the Fourth Proportional to 372,560.96, 558,673.30 and 106,258.16

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Solution

The fourth proportional to 372,560.96, 558,673.30 and 106,258.16 is: 159,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,560.96 : 558,673.30 = 106,258.16 : x
  2. Step 2: Convert to fraction form
    372,560.96/558,673.30 = 106,258.16/x
  3. Step 3: Cross multiply
    372,560.96x = 558,673.30 × 106,258.16
  4. Step 4: Simplify right side
    372,560.96x = 59,363,596,899.13
  5. Step 5: Solve for x
    x = 59,363,596,899.13/372,560.96
  6. Step 6: Final answer
    x = 159,339.28

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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.