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Finding the Fourth Proportional to 235,174.32, 352,810.08 and 77,412.24

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Solution

The fourth proportional to 235,174.32, 352,810.08 and 77,412.24 is: 116,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,174.32 : 352,810.08 = 77,412.24 : x
  2. Step 2: Convert to fraction form
    235,174.32/352,810.08 = 77,412.24/x
  3. Step 3: Cross multiply
    235,174.32x = 352,810.08 × 77,412.24
  4. Step 4: Simplify right side
    235,174.32x = 27,311,818,587.38
  5. Step 5: Solve for x
    x = 27,311,818,587.38/235,174.32
  6. Step 6: Final answer
    x = 116,134.36

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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.