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Finding the Fourth Proportional to 346,230.72, 519,397.92 and 109,494.72

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Solution

The fourth proportional to 346,230.72, 519,397.92 and 109,494.72 is: 164,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,230.72 : 519,397.92 = 109,494.72 : x
  2. Step 2: Convert to fraction form
    346,230.72/519,397.92 = 109,494.72/x
  3. Step 3: Cross multiply
    346,230.72x = 519,397.92 × 109,494.72
  4. Step 4: Simplify right side
    346,230.72x = 56,871,329,818.98
  5. Step 5: Solve for x
    x = 56,871,329,818.98/346,230.72
  6. Step 6: Final answer
    x = 164,258.47

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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.