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Finding the Fourth Proportional to 374,165.81, 561,253.58 and 124,847.81

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Solution

The fourth proportional to 374,165.81, 561,253.58 and 124,847.81 is: 187,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,165.81 : 561,253.58 = 124,847.81 : x
  2. Step 2: Convert to fraction form
    374,165.81/561,253.58 = 124,847.81/x
  3. Step 3: Cross multiply
    374,165.81x = 561,253.58 × 124,847.81
  4. Step 4: Simplify right side
    374,165.81x = 70,071,282,032.91
  5. Step 5: Solve for x
    x = 70,071,282,032.91/374,165.81
  6. Step 6: Final answer
    x = 187,273.34

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1.5x scale

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.