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Finding the Fourth Proportional to 215,656.52, 297,623.12 and 118,877.59

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Solution

The fourth proportional to 215,656.52, 297,623.12 and 118,877.59 is: 164,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.52 : 297,623.12 = 118,877.59 : x
  2. Step 2: Convert to fraction form
    215,656.52/297,623.12 = 118,877.59/x
  3. Step 3: Cross multiply
    215,656.52x = 297,623.12 × 118,877.59
  4. Step 4: Simplify right side
    215,656.52x = 35,380,717,895.44
  5. Step 5: Solve for x
    x = 35,380,717,895.44/215,656.52
  6. Step 6: Final answer
    x = 164,060.50

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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.