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Finding the Fourth Proportional to 118,595.10, 177,892.65 and 113,346.30

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Solution

The fourth proportional to 118,595.10, 177,892.65 and 113,346.30 is: 170,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,595.10 : 177,892.65 = 113,346.30 : x
  2. Step 2: Convert to fraction form
    118,595.10/177,892.65 = 113,346.30/x
  3. Step 3: Cross multiply
    118,595.10x = 177,892.65 × 113,346.30
  4. Step 4: Simplify right side
    118,595.10x = 20,163,473,674.70
  5. Step 5: Solve for x
    x = 20,163,473,674.70/118,595.10
  6. Step 6: Final answer
    x = 170,019.45

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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.