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Finding the Fourth Proportional to 373,018.16, 559,744.32 and 156,861.36

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Solution

The fourth proportional to 373,018.16, 559,744.32 and 156,861.36 is: 235,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,018.16 : 559,744.32 = 156,861.36 : x
  2. Step 2: Convert to fraction form
    373,018.16/559,744.32 = 156,861.36/x
  3. Step 3: Cross multiply
    373,018.16x = 559,744.32 × 156,861.36
  4. Step 4: Simplify right side
    373,018.16x = 87,802,255,875.71
  5. Step 5: Solve for x
    x = 87,802,255,875.71/373,018.16
  6. Step 6: Final answer
    x = 235,383.33

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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.