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Finding the Fourth Proportional to 268,423.56, 370,276.62 and 170,127

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Solution

The fourth proportional to 268,423.56, 370,276.62 and 170,127 is: 234,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,423.56 : 370,276.62 = 170,127 : x
  2. Step 2: Convert to fraction form
    268,423.56/370,276.62 = 170,127/x
  3. Step 3: Cross multiply
    268,423.56x = 370,276.62 × 170,127
  4. Step 4: Simplify right side
    268,423.56x = 62,994,050,530.74
  5. Step 5: Solve for x
    x = 62,994,050,530.74/268,423.56
  6. Step 6: Final answer
    x = 234,681.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.