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Finding the Fourth Proportional to 113,751.42, 170,627.10 and 61,088.46

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Solution

The fourth proportional to 113,751.42, 170,627.10 and 61,088.46 is: 91,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,751.42 : 170,627.10 = 61,088.46 : x
  2. Step 2: Convert to fraction form
    113,751.42/170,627.10 = 61,088.46/x
  3. Step 3: Cross multiply
    113,751.42x = 170,627.10 × 61,088.46
  4. Step 4: Simplify right side
    113,751.42x = 10,423,346,773.27
  5. Step 5: Solve for x
    x = 10,423,346,773.27/113,751.42
  6. Step 6: Final answer
    x = 91,632.67

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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.