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Finding the Fourth Proportional to 85,583.98, 118,096.81 and 47,337.45

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Solution

The fourth proportional to 85,583.98, 118,096.81 and 47,337.45 is: 65,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,583.98 : 118,096.81 = 47,337.45 : x
  2. Step 2: Convert to fraction form
    85,583.98/118,096.81 = 47,337.45/x
  3. Step 3: Cross multiply
    85,583.98x = 118,096.81 × 47,337.45
  4. Step 4: Simplify right side
    85,583.98x = 5,590,401,838.53
  5. Step 5: Solve for x
    x = 5,590,401,838.53/85,583.98
  6. Step 6: Final answer
    x = 65,320.66

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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.