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Finding the Fourth Proportional to 243,073.86, 335,420.04 and 152,400.84

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Solution

The fourth proportional to 243,073.86, 335,420.04 and 152,400.84 is: 210,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,073.86 : 335,420.04 = 152,400.84 : x
  2. Step 2: Convert to fraction form
    243,073.86/335,420.04 = 152,400.84/x
  3. Step 3: Cross multiply
    243,073.86x = 335,420.04 × 152,400.84
  4. Step 4: Simplify right side
    243,073.86x = 51,118,295,848.83
  5. Step 5: Solve for x
    x = 51,118,295,848.83/243,073.86
  6. Step 6: Final answer
    x = 210,299.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.