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Finding the Fourth Proportional to 158,521.76, 237,860.47 and 63,748.11

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Solution

The fourth proportional to 158,521.76, 237,860.47 and 63,748.11 is: 95,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,521.76 : 237,860.47 = 63,748.11 : x
  2. Step 2: Convert to fraction form
    158,521.76/237,860.47 = 63,748.11/x
  3. Step 3: Cross multiply
    158,521.76x = 237,860.47 × 63,748.11
  4. Step 4: Simplify right side
    158,521.76x = 15,163,156,019.29
  5. Step 5: Solve for x
    x = 15,163,156,019.29/158,521.76
  6. Step 6: Final answer
    x = 95,653.47

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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.