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Finding the Fourth Proportional to 342,673.03, 513,670.47 and 162,441.90

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Solution

The fourth proportional to 342,673.03, 513,670.47 and 162,441.90 is: 243,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,673.03 : 513,670.47 = 162,441.90 : x
  2. Step 2: Convert to fraction form
    342,673.03/513,670.47 = 162,441.90/x
  3. Step 3: Cross multiply
    342,673.03x = 513,670.47 × 162,441.90
  4. Step 4: Simplify right side
    342,673.03x = 83,441,607,120.69
  5. Step 5: Solve for x
    x = 83,441,607,120.69/342,673.03
  6. Step 6: Final answer
    x = 243,502.11

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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.