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Finding the Fourth Proportional to 235,528.40, 352,774.20 and 141,870.80

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Solution

The fourth proportional to 235,528.40, 352,774.20 and 141,870.80 is: 212,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,528.40 : 352,774.20 = 141,870.80 : x
  2. Step 2: Convert to fraction form
    235,528.40/352,774.20 = 141,870.80/x
  3. Step 3: Cross multiply
    235,528.40x = 352,774.20 × 141,870.80
  4. Step 4: Simplify right side
    235,528.40x = 50,048,357,973.36
  5. Step 5: Solve for x
    x = 50,048,357,973.36/235,528.40
  6. Step 6: Final answer
    x = 212,493.94

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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.