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Finding the Fourth Proportional to 177,880.76, 245,488.76 and 101,401.67

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Solution

The fourth proportional to 177,880.76, 245,488.76 and 101,401.67 is: 139,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.76 : 245,488.76 = 101,401.67 : x
  2. Step 2: Convert to fraction form
    177,880.76/245,488.76 = 101,401.67/x
  3. Step 3: Cross multiply
    177,880.76x = 245,488.76 × 101,401.67
  4. Step 4: Simplify right side
    177,880.76x = 24,892,970,230.23
  5. Step 5: Solve for x
    x = 24,892,970,230.23/177,880.76
  6. Step 6: Final answer
    x = 139,941.89

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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.