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Finding the Fourth Proportional to 92,977.61, 139,464.72 and 29,798.01

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Solution

The fourth proportional to 92,977.61, 139,464.72 and 29,798.01 is: 44,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.61 : 139,464.72 = 29,798.01 : x
  2. Step 2: Convert to fraction form
    92,977.61/139,464.72 = 29,798.01/x
  3. Step 3: Cross multiply
    92,977.61x = 139,464.72 × 29,798.01
  4. Step 4: Simplify right side
    92,977.61x = 4,155,771,121.21
  5. Step 5: Solve for x
    x = 4,155,771,121.21/92,977.61
  6. Step 6: Final answer
    x = 44,696.47

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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.