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Finding the Fourth Proportional to 193,011.60, 289,776.60 and 123,200.40

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Solution

The fourth proportional to 193,011.60, 289,776.60 and 123,200.40 is: 184,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,011.60 : 289,776.60 = 123,200.40 : x
  2. Step 2: Convert to fraction form
    193,011.60/289,776.60 = 123,200.40/x
  3. Step 3: Cross multiply
    193,011.60x = 289,776.60 × 123,200.40
  4. Step 4: Simplify right side
    193,011.60x = 35,700,593,030.64
  5. Step 5: Solve for x
    x = 35,700,593,030.64/193,011.60
  6. Step 6: Final answer
    x = 184,966.05

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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.