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Finding the Fourth Proportional to 215,207.04, 296,971.20 and 119,707.20

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Solution

The fourth proportional to 215,207.04, 296,971.20 and 119,707.20 is: 165,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,207.04 : 296,971.20 = 119,707.20 : x
  2. Step 2: Convert to fraction form
    215,207.04/296,971.20 = 119,707.20/x
  3. Step 3: Cross multiply
    215,207.04x = 296,971.20 × 119,707.20
  4. Step 4: Simplify right side
    215,207.04x = 35,549,590,832.64
  5. Step 5: Solve for x
    x = 35,549,590,832.64/215,207.04
  6. Step 6: Final answer
    x = 165,187.86

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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.