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Finding the Fourth Proportional to 63,153.42, 87,151.84 and 34,859.11

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Solution

The fourth proportional to 63,153.42, 87,151.84 and 34,859.11 is: 48,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.42 : 87,151.84 = 34,859.11 : x
  2. Step 2: Convert to fraction form
    63,153.42/87,151.84 = 34,859.11/x
  3. Step 3: Cross multiply
    63,153.42x = 87,151.84 × 34,859.11
  4. Step 4: Simplify right side
    63,153.42x = 3,038,035,386.62
  5. Step 5: Solve for x
    x = 3,038,035,386.62/63,153.42
  6. Step 6: Final answer
    x = 48,105.63

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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.