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Finding the Fourth Proportional to 173,960.52, 240,058.80 and 98,509.20

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Solution

The fourth proportional to 173,960.52, 240,058.80 and 98,509.20 is: 135,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,960.52 : 240,058.80 = 98,509.20 : x
  2. Step 2: Convert to fraction form
    173,960.52/240,058.80 = 98,509.20/x
  3. Step 3: Cross multiply
    173,960.52x = 240,058.80 × 98,509.20
  4. Step 4: Simplify right side
    173,960.52x = 23,648,000,340.96
  5. Step 5: Solve for x
    x = 23,648,000,340.96/173,960.52
  6. Step 6: Final answer
    x = 135,938.89

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1.5x scale

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.