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Finding the Fourth Proportional to 374,182.32, 561,278.28 and 124,864.32

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Solution

The fourth proportional to 374,182.32, 561,278.28 and 124,864.32 is: 187,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,182.32 : 561,278.28 = 124,864.32 : x
  2. Step 2: Convert to fraction form
    374,182.32/561,278.28 = 124,864.32/x
  3. Step 3: Cross multiply
    374,182.32x = 561,278.28 × 124,864.32
  4. Step 4: Simplify right side
    374,182.32x = 70,083,630,762.97
  5. Step 5: Solve for x
    x = 70,083,630,762.97/374,182.32
  6. Step 6: Final answer
    x = 187,298.08

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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.