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Finding the Fourth Proportional to 228,705.40, 343,058.10 and 95,541.40

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Solution

The fourth proportional to 228,705.40, 343,058.10 and 95,541.40 is: 143,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,705.40 : 343,058.10 = 95,541.40 : x
  2. Step 2: Convert to fraction form
    228,705.40/343,058.10 = 95,541.40/x
  3. Step 3: Cross multiply
    228,705.40x = 343,058.10 × 95,541.40
  4. Step 4: Simplify right side
    228,705.40x = 32,776,251,155.34
  5. Step 5: Solve for x
    x = 32,776,251,155.34/228,705.40
  6. Step 6: Final answer
    x = 143,312.10

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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.