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Finding the Fourth Proportional to 191,537.71, 264,202.28 and 137,737.51

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Solution

The fourth proportional to 191,537.71, 264,202.28 and 137,737.51 is: 189,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,537.71 : 264,202.28 = 137,737.51 : x
  2. Step 2: Convert to fraction form
    191,537.71/264,202.28 = 137,737.51/x
  3. Step 3: Cross multiply
    191,537.71x = 264,202.28 × 137,737.51
  4. Step 4: Simplify right side
    191,537.71x = 36,390,562,173.82
  5. Step 5: Solve for x
    x = 36,390,562,173.82/191,537.71
  6. Step 6: Final answer
    x = 189,991.64

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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.