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Finding the Fourth Proportional to 237,058.61, 355,347.68 and 85,210.40

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Solution

The fourth proportional to 237,058.61, 355,347.68 and 85,210.40 is: 127,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,058.61 : 355,347.68 = 85,210.40 : x
  2. Step 2: Convert to fraction form
    237,058.61/355,347.68 = 85,210.40/x
  3. Step 3: Cross multiply
    237,058.61x = 355,347.68 × 85,210.40
  4. Step 4: Simplify right side
    237,058.61x = 30,279,318,414.19
  5. Step 5: Solve for x
    x = 30,279,318,414.19/237,058.61
  6. Step 6: Final answer
    x = 127,729.25

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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.