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Finding the Fourth Proportional to 235,176.88, 352,809.06 and 77,416.42

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Solution

The fourth proportional to 235,176.88, 352,809.06 and 77,416.42 is: 116,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,176.88 : 352,809.06 = 77,416.42 : x
  2. Step 2: Convert to fraction form
    235,176.88/352,809.06 = 77,416.42/x
  3. Step 3: Cross multiply
    235,176.88x = 352,809.06 × 77,416.42
  4. Step 4: Simplify right side
    235,176.88x = 27,313,214,368.77
  5. Step 5: Solve for x
    x = 27,313,214,368.77/235,176.88
  6. Step 6: Final answer
    x = 116,139.03

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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.