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Finding the Fourth Proportional to 113,125.79, 169,760.21 and 63,238.63

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Solution

The fourth proportional to 113,125.79, 169,760.21 and 63,238.63 is: 94,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.79 : 169,760.21 = 63,238.63 : x
  2. Step 2: Convert to fraction form
    113,125.79/169,760.21 = 63,238.63/x
  3. Step 3: Cross multiply
    113,125.79x = 169,760.21 × 63,238.63
  4. Step 4: Simplify right side
    113,125.79x = 10,735,403,108.91
  5. Step 5: Solve for x
    x = 10,735,403,108.91/113,125.79
  6. Step 6: Final answer
    x = 94,897.93

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1.5x scale

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.