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Finding the Fourth Proportional to 173,978.54, 240,082.35 and 98,527.58

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Solution

The fourth proportional to 173,978.54, 240,082.35 and 98,527.58 is: 135,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,978.54 : 240,082.35 = 98,527.58 : x
  2. Step 2: Convert to fraction form
    173,978.54/240,082.35 = 98,527.58/x
  3. Step 3: Cross multiply
    173,978.54x = 240,082.35 × 98,527.58
  4. Step 4: Simplify right side
    173,978.54x = 23,654,732,946.21
  5. Step 5: Solve for x
    x = 23,654,732,946.21/173,978.54
  6. Step 6: Final answer
    x = 135,963.51

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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.