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Finding the Fourth Proportional to 191,583.41, 264,393.32 and 106,700.49

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Solution

The fourth proportional to 191,583.41, 264,393.32 and 106,700.49 is: 147,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,583.41 : 264,393.32 = 106,700.49 : x
  2. Step 2: Convert to fraction form
    191,583.41/264,393.32 = 106,700.49/x
  3. Step 3: Cross multiply
    191,583.41x = 264,393.32 × 106,700.49
  4. Step 4: Simplify right side
    191,583.41x = 28,210,896,263.22
  5. Step 5: Solve for x
    x = 28,210,896,263.22/191,583.41
  6. Step 6: Final answer
    x = 147,251.25

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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.