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Finding the Fourth Proportional to 235,196.70, 352,674.09 and 77,407.26

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Solution

The fourth proportional to 235,196.70, 352,674.09 and 77,407.26 is: 116,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,196.70 : 352,674.09 = 77,407.26 : x
  2. Step 2: Convert to fraction form
    235,196.70/352,674.09 = 77,407.26/x
  3. Step 3: Cross multiply
    235,196.70x = 352,674.09 × 77,407.26
  4. Step 4: Simplify right side
    235,196.70x = 27,299,534,979.89
  5. Step 5: Solve for x
    x = 27,299,534,979.89/235,196.70
  6. Step 6: Final answer
    x = 116,071.08

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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.