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Finding the Fourth Proportional to 215,653.64, 297,603.21 and 125,063.32

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Solution

The fourth proportional to 215,653.64, 297,603.21 and 125,063.32 is: 172,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,653.64 : 297,603.21 = 125,063.32 : x
  2. Step 2: Convert to fraction form
    215,653.64/297,603.21 = 125,063.32/x
  3. Step 3: Cross multiply
    215,653.64x = 297,603.21 × 125,063.32
  4. Step 4: Simplify right side
    215,653.64x = 37,219,244,741.25
  5. Step 5: Solve for x
    x = 37,219,244,741.25/215,653.64
  6. Step 6: Final answer
    x = 172,588.06

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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.