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Finding the Fourth Proportional to 235,526.40, 352,828.80 and 141,753.60

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Solution

The fourth proportional to 235,526.40, 352,828.80 and 141,753.60 is: 212,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,526.40 : 352,828.80 = 141,753.60 : x
  2. Step 2: Convert to fraction form
    235,526.40/352,828.80 = 141,753.60/x
  3. Step 3: Cross multiply
    235,526.40x = 352,828.80 × 141,753.60
  4. Step 4: Simplify right side
    235,526.40x = 50,014,752,583.68
  5. Step 5: Solve for x
    x = 50,014,752,583.68/235,526.40
  6. Step 6: Final answer
    x = 212,353.06

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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.