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Finding the Fourth Proportional to 254,707.60, 381,818.40 and 94,740.70

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Solution

The fourth proportional to 254,707.60, 381,818.40 and 94,740.70 is: 142,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,707.60 : 381,818.40 = 94,740.70 : x
  2. Step 2: Convert to fraction form
    254,707.60/381,818.40 = 94,740.70/x
  3. Step 3: Cross multiply
    254,707.60x = 381,818.40 × 94,740.70
  4. Step 4: Simplify right side
    254,707.60x = 36,173,742,488.88
  5. Step 5: Solve for x
    x = 36,173,742,488.88/254,707.60
  6. Step 6: Final answer
    x = 142,020.66

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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.