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Finding the Fourth Proportional to 92,859.54, 139,307.04 and 39,550.38

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Solution

The fourth proportional to 92,859.54, 139,307.04 and 39,550.38 is: 59,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.54 : 139,307.04 = 39,550.38 : x
  2. Step 2: Convert to fraction form
    92,859.54/139,307.04 = 39,550.38/x
  3. Step 3: Cross multiply
    92,859.54x = 139,307.04 × 39,550.38
  4. Step 4: Simplify right side
    92,859.54x = 5,509,646,368.68
  5. Step 5: Solve for x
    x = 5,509,646,368.68/92,859.54
  6. Step 6: Final answer
    x = 59,333.12

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1.5x scale

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.