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Finding the Fourth Proportional to 215,695.51, 323,444.11 and 73,482.91

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Solution

The fourth proportional to 215,695.51, 323,444.11 and 73,482.91 is: 110,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,695.51 : 323,444.11 = 73,482.91 : x
  2. Step 2: Convert to fraction form
    215,695.51/323,444.11 = 73,482.91/x
  3. Step 3: Cross multiply
    215,695.51x = 323,444.11 × 73,482.91
  4. Step 4: Simplify right side
    215,695.51x = 23,767,614,425.16
  5. Step 5: Solve for x
    x = 23,767,614,425.16/215,695.51
  6. Step 6: Final answer
    x = 110,190.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.