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Finding the Fourth Proportional to 159,753.07, 220,459.23 and 88,133.10

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Solution

The fourth proportional to 159,753.07, 220,459.23 and 88,133.10 is: 121,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,753.07 : 220,459.23 = 88,133.10 : x
  2. Step 2: Convert to fraction form
    159,753.07/220,459.23 = 88,133.10/x
  3. Step 3: Cross multiply
    159,753.07x = 220,459.23 × 88,133.10
  4. Step 4: Simplify right side
    159,753.07x = 19,429,754,536.79
  5. Step 5: Solve for x
    x = 19,429,754,536.79/159,753.07
  6. Step 6: Final answer
    x = 121,623.67

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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.