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Finding the Fourth Proportional to 94,500, 130,410 and 52,058.40

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Solution

The fourth proportional to 94,500, 130,410 and 52,058.40 is: 71,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,500 : 130,410 = 52,058.40 : x
  2. Step 2: Convert to fraction form
    94,500/130,410 = 52,058.40/x
  3. Step 3: Cross multiply
    94,500x = 130,410 × 52,058.40
  4. Step 4: Simplify right side
    94,500x = 6,788,935,944
  5. Step 5: Solve for x
    x = 6,788,935,944/94,500
  6. Step 6: Final answer
    x = 71,840.59

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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.