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Finding the Fourth Proportional to 191,632.32, 264,448.92 and 120,051.72

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Solution

The fourth proportional to 191,632.32, 264,448.92 and 120,051.72 is: 165,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,632.32 : 264,448.92 = 120,051.72 : x
  2. Step 2: Convert to fraction form
    191,632.32/264,448.92 = 120,051.72/x
  3. Step 3: Cross multiply
    191,632.32x = 264,448.92 × 120,051.72
  4. Step 4: Simplify right side
    191,632.32x = 31,747,547,698.14
  5. Step 5: Solve for x
    x = 31,747,547,698.14/191,632.32
  6. Step 6: Final answer
    x = 165,669.07

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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.