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Finding the Fourth Proportional to 235,655.60, 353,483.40 and 141,177.20

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Solution

The fourth proportional to 235,655.60, 353,483.40 and 141,177.20 is: 211,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,655.60 : 353,483.40 = 141,177.20 : x
  2. Step 2: Convert to fraction form
    235,655.60/353,483.40 = 141,177.20/x
  3. Step 3: Cross multiply
    235,655.60x = 353,483.40 × 141,177.20
  4. Step 4: Simplify right side
    235,655.60x = 49,903,796,658.48
  5. Step 5: Solve for x
    x = 49,903,796,658.48/235,655.60
  6. Step 6: Final answer
    x = 211,765.80

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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.