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Finding the Fourth Proportional to 95,648.76, 143,486.43 and 42,336.53

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Solution

The fourth proportional to 95,648.76, 143,486.43 and 42,336.53 is: 63,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,648.76 : 143,486.43 = 42,336.53 : x
  2. Step 2: Convert to fraction form
    95,648.76/143,486.43 = 42,336.53/x
  3. Step 3: Cross multiply
    95,648.76x = 143,486.43 × 42,336.53
  4. Step 4: Simplify right side
    95,648.76x = 6,074,716,830.86
  5. Step 5: Solve for x
    x = 6,074,716,830.86/95,648.76
  6. Step 6: Final answer
    x = 63,510.67

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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.