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Finding the Fourth Proportional to 268,561.66, 370,524.31 and 152,262.70

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Solution

The fourth proportional to 268,561.66, 370,524.31 and 152,262.70 is: 210,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,561.66 : 370,524.31 = 152,262.70 : x
  2. Step 2: Convert to fraction form
    268,561.66/370,524.31 = 152,262.70/x
  3. Step 3: Cross multiply
    268,561.66x = 370,524.31 × 152,262.70
  4. Step 4: Simplify right side
    268,561.66x = 56,417,031,856.24
  5. Step 5: Solve for x
    x = 56,417,031,856.24/268,561.66
  6. Step 6: Final answer
    x = 210,071.06

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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.