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Finding the Fourth Proportional to 110,354.88, 152,306.13 and 65,018.37

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Solution

The fourth proportional to 110,354.88, 152,306.13 and 65,018.37 is: 89,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.88 : 152,306.13 = 65,018.37 : x
  2. Step 2: Convert to fraction form
    110,354.88/152,306.13 = 65,018.37/x
  3. Step 3: Cross multiply
    110,354.88x = 152,306.13 × 65,018.37
  4. Step 4: Simplify right side
    110,354.88x = 9,902,696,313.61
  5. Step 5: Solve for x
    x = 9,902,696,313.61/110,354.88
  6. Step 6: Final answer
    x = 89,735.01

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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.