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Finding the Fourth Proportional to 235,436.40, 352,693.80 and 141,663.60

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Solution

The fourth proportional to 235,436.40, 352,693.80 and 141,663.60 is: 212,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,436.40 : 352,693.80 = 141,663.60 : x
  2. Step 2: Convert to fraction form
    235,436.40/352,693.80 = 141,663.60/x
  3. Step 3: Cross multiply
    235,436.40x = 352,693.80 × 141,663.60
  4. Step 4: Simplify right side
    235,436.40x = 49,963,873,405.68
  5. Step 5: Solve for x
    x = 49,963,873,405.68/235,436.40
  6. Step 6: Final answer
    x = 212,218.13

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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.