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Finding the Fourth Proportional to 235,089.60, 352,893.60 and 129,854.40

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Solution

The fourth proportional to 235,089.60, 352,893.60 and 129,854.40 is: 194,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,089.60 : 352,893.60 = 129,854.40 : x
  2. Step 2: Convert to fraction form
    235,089.60/352,893.60 = 129,854.40/x
  3. Step 3: Cross multiply
    235,089.60x = 352,893.60 × 129,854.40
  4. Step 4: Simplify right side
    235,089.60x = 45,824,786,691.84
  5. Step 5: Solve for x
    x = 45,824,786,691.84/235,089.60
  6. Step 6: Final answer
    x = 194,924.77

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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.