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Finding the Fourth Proportional to 191,877.45, 264,737.73 and 123,897.28

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Solution

The fourth proportional to 191,877.45, 264,737.73 and 123,897.28 is: 170,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,877.45 : 264,737.73 = 123,897.28 : x
  2. Step 2: Convert to fraction form
    191,877.45/264,737.73 = 123,897.28/x
  3. Step 3: Cross multiply
    191,877.45x = 264,737.73 × 123,897.28
  4. Step 4: Simplify right side
    191,877.45x = 32,800,284,660.37
  5. Step 5: Solve for x
    x = 32,800,284,660.37/191,877.45
  6. Step 6: Final answer
    x = 170,943.93

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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.