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Finding the Fourth Proportional to 191,775.93, 264,651.08 and 106,891.17

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Solution

The fourth proportional to 191,775.93, 264,651.08 and 106,891.17 is: 147,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,775.93 : 264,651.08 = 106,891.17 : x
  2. Step 2: Convert to fraction form
    191,775.93/264,651.08 = 106,891.17/x
  3. Step 3: Cross multiply
    191,775.93x = 264,651.08 × 106,891.17
  4. Step 4: Simplify right side
    191,775.93x = 28,288,863,048.51
  5. Step 5: Solve for x
    x = 28,288,863,048.51/191,775.93
  6. Step 6: Final answer
    x = 147,509.98

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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.