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Finding the Fourth Proportional to 372,543.43, 558,820.27 and 106,303.86

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Solution

The fourth proportional to 372,543.43, 558,820.27 and 106,303.86 is: 159,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,543.43 : 558,820.27 = 106,303.86 : x
  2. Step 2: Convert to fraction form
    372,543.43/558,820.27 = 106,303.86/x
  3. Step 3: Cross multiply
    372,543.43x = 558,820.27 × 106,303.86
  4. Step 4: Simplify right side
    372,543.43x = 59,404,748,924.64
  5. Step 5: Solve for x
    x = 59,404,748,924.64/372,543.43
  6. Step 6: Final answer
    x = 159,457.25

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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.