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Finding the Fourth Proportional to 193,503.60, 289,909.80 and 158,252.40

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Solution

The fourth proportional to 193,503.60, 289,909.80 and 158,252.40 is: 237,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,503.60 : 289,909.80 = 158,252.40 : x
  2. Step 2: Convert to fraction form
    193,503.60/289,909.80 = 158,252.40/x
  3. Step 3: Cross multiply
    193,503.60x = 289,909.80 × 158,252.40
  4. Step 4: Simplify right side
    193,503.60x = 45,878,921,633.52
  5. Step 5: Solve for x
    x = 45,878,921,633.52/193,503.60
  6. Step 6: Final answer
    x = 237,095.96

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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.